Showing posts with label telecom industry. Show all posts
Showing posts with label telecom industry. Show all posts

Friday, June 5, 2015

Celebrate the Biggest Day for Positive Environmental Action!




World Environment Day (WED) is the United Nations’ principal vehicle for encouraging worldwide awareness and action for the environment. Over the years it has grown to be a broad, global platform for public outreach that is widely celebrated by stakeholders in over 100 countries. It also serves as the ‘people’s day’ for doing something positive for the environment, galvanizing individual actions into a collective power that generates an exponential positive impact on the planet.

The WED theme this year is "Seven Billion Dreams. One Planet. Consume with Care." The well-being of humanity, the environment, and the functioning of the economy, ultimately depend upon the responsible management of the planet’s natural resources. And yet, evidence is building that people are consuming far more natural resources than what the planet can sustainably provide.

Many of the Earth’s ecosystems are nearing critical tipping points of depletion or irreversible change, pushed by high population growth and economic development. By 2050, if current consumption and production patterns remain the same and with a rising population expected to reach 9.6 billion, we will need three planets to sustain our ways of living and consumption.

Consuming with care means living within planetary boundaries to ensure a healthy future where our dreams can be realized. Human prosperity need not cost the earth. Living sustainably is about doing more and better with less. It is about knowing that rising rates of natural resource use and the environmental impacts that occur are not a necessary by-product of economic growth.

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Monday, February 10, 2014

What is NFC and why is it in your phone?

How does NFC work?



At its core, all NFC is doing is identifying us, and our bank account, to a computer. The technology is simple. It's a short-range, low power wireless link evolved from radio-frequency identification (RFID) tech that can transfer small amounts of data between two devices held a few centimeters from each other.
Unlike Bluetooth, no pairing code is needed, and because it's very low power, no battery in the device being read. By tapping your phone on a contactless payment terminal in a shop, train station or coffee shop is able to identify your account (and even your personal preferences, shopping habits and even your most frequently travelled route home) and takes payment through an app on your phone.

Passive NFC 'tags' on posters, in shops and on trains could contain a web address, a discount voucher, a map or a bus timetable that passers-by could touch their phones on to receive – or to instantly pay for absolutely anything.

"The SIM card in your mobile phone is a smart card identifying your account to the network," says John Elliott, Head of Public Sector at Consult Hyperion, who's worked on the Oyster Card. "On NFC phones; the SIM is being extended to act as the Secure Element that can hold other apps such as payment cards."

Are there any alternatives to NFC?



Yes – and there are plenty within it, too. One debate in the mobile and finance industry is between the 'mobile wallet' as represented by NFC, or the 'digital wallet'. Calling NFC 'a technology, not a strategy,' PayPal's Kerry Wong, MD for Hong Kong, Korea and Taiwan, promotes the latter.
"The 'digital wallet' exists in the cloud, and it is not tethered to one specific device such as a mobile phone, but accessible from a variety of devices such as laptop, iPad, ultrabook or even Xbox," she says. Wong thinks that it's the ability to work easily, safely and on any device or platform that will win the day.
NFC is only one technology, with Bluetooth and RFID just as able to strike-up a conversation between two gadgets, but there are distinctions within NFC, too. In comes in both passive and active flavours, including P2P mode (exchanging information, such as business cards or contacts) and SecureElement NFC (where a machine recognises a NFC phone as a bankcard).

How is NFC different to the new contact less bank cards?



It does away with plastic, but otherwise it's very similar to the chip-and-PIN killer. Most new Barclaycard, American Express, MasterCard PayPass and Visa Europe cards have NFC contactless tech within, and with 30 million already in circulation in the UK (look for the WiFi-like logo on the back) this is where the 'digital wallet' exists for now; in, err, your wallet.
Such cards can be used to make small purchases (typically under £15) in shops – and, since last week, on London buses.

"The foundations of the NFC ecosystem are now largely in place," says Gerry Kelliher, Europe Sales Operations Leader at Research in Motion. "Large scale initiatives like Visa's PayWave and Mastercard's PayPass mean that NFC terminals are appearing in thousands of UK high street shops."

If NFC identifies me, can I use my smartphone instead of a passport?


Not yet, but it should streamline travel. "While passports look as though they're here to stay, at least for international departures, we expect travellers will be able to pass through an airport without physical boarding passes very soon," says Kelliher.

Toulouse-Balgnac Airport has already successfully trialled NFC secure boarding passes with BlackBerry devices, which acted as their security pass for a dedicated, priority path through the airport. "Boarding passes based on QR codes have been around for some time, but NFC passes should be far more popular with airport operators.

Unlike QR codes, NFC codes loaded on to SIM cards can be used when the device is switched off," says Kelliher. "NFC passes are also far more secure than QR codes which can be easily duplicated, forwarded or altered.

Airports are certainly getting more tech savvy; Hong Kong International Airport now uses barcode imagers from UK-based data input company Access IS to read electronic boarding passes (sent by the airline as a unique barcode) on mobile phones.

NFC phones: which handsets have NFC?


A surprisingly huge number, largely because NFC has long been supported by the makers of Android handsets. Though Apple is yet to embrace NFC, flagship and mid-range handsets from the likes of Samsung, HTC, Motorola, Nokia, LG and Blackberry all include NFC.

The latter all feature BlackBerry Tag, a peer-to-peer feature in the BlackBerry 7.1 OS that allows users to share contact information, documents, URLs, photos and other multimedia content by tapping their BlackBerry smartphones together.

Microsoft's Windows Phone 8 OS supports NFC, too, so expect upcoming smartphones from Samsung, Nokia and HTC to be compatible.The full list, includes almost all Android tablets, too.


NFC is still in its trial phase, but it's got a big future. ABI Research predicts that 1.95 billion NFC-enabled devices will ship in 2017, largely in smartphones, though NFC will also enter the living room. WiFi routers will swap passwords for a simple 'tap' from any smartphone, tablet or games console, with 395 million consumer electronics devices to ship in 2017 – in other words, NFC will be in everything.


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Friday, February 7, 2014

Everything you need to know about wireless charging.





How does wireless charging work?

Wireless charging, also known as inductive charging, is a convenient and fuss-free way to power up your smartphone. Wireless chargers emit an alternating current via a transmitter coil, which then induces a voltage in the receiver coil found in the device. Qi (pronounced “chee”) wireless charging pads are capable of charging smartphones, tablets, Bluetooth® headsets, cameras and portable power packs. Note: You do need one of these pads for wireless charging; a smartphone that says it has wireless charging capability will not charge itself. At least, not yet anyway. But wireless charging is simple: Just plug in the charging pad and place your device on it. That’s it!

How do you know if your smartphone is Qi compatible?

If you have a wireless charger from Verizon, your smartphone must be Qi compatible; all wireless charging accessories sold by Verizon are Qi certified. So how do you know if your phone is Qi compatible? Your device should have a Qi logo on it somewhere, so be sure to check the packaging, the case and the manual. The icon is easy to identify—it looks like a magnifying glass focusing in on the letter ‘i’. The magnifying glass is cleverly in the shape of the letter Q. For example, the new Droid Maxx by Motorola and Droid Mini by Motorola are ready for wireless charging right out of the package.

Can you charge a smartphone with a case on it? Do you need a special case?

This answer truly depends on the device. The Nokia Lumia 928, Droid DNA by HTC and Windows Phone 8X by HTC can be charged wirelessly with any case on, but other smartphones from Verizon require a special, device-specific wireless charging back cover. The Samsung Galaxy S® 4 is only ready for wireless charging when you add the Samsung Galaxy S 4 Wireless Charging Cover. You can find this information in your device’s manual, at verizonwireless.com or on the manufacturer website. Here you can find a list of all the Verizon Wireless smartphones that are equipped with compatibility for wireless charging.

How do you set it up?

Once you’ve determined if your device is Qi compatible and whether or not you need a special cover, you’re ready to charge. One of the beauties of wireless charging—and yes, we realize there are many—is how easy it really is. Simply plug in the charging dock and place your device on the charging pad. Then, watch your device juice up. It’s actually that simple.

What do you look for when purchasing a wireless charger?

When you’re researching chargers to ensure you make the right purchase, there are a few things to consider. Do you want something that is discreet? The LG Wireless Charging Pad may be compact, but it still packs a lot of charging power. It’s sleek and will stay out of the way, plus its size makes it easy to carry and take with you.

Do you want something that can charge and play music? Then the Nokia JBL PowerUp Speaker is probably right for you. This wireless Bluetooth® charger does double duty as it charges and blasts your favorite music.

Do you want something that matches your decor? The TYLT VĂś Wireless Charger comes in red, green, blue or black so you can find the charger to match your style, plus it holds your smartphone at an angle so you can easily look at the screen to follow recipes or stream videos while charging.

Do you want something that’s a little more fun? The funky Nokia Wireless Charging Pillow by Fatboy® has a “pillowcase” for your smartphone and is unlike any other wireless charger out there in terms of style.

Do you want a charger that will notify you when your device is fully juiced up? The charging indicator light on the Nokia Wireless Charging Plate DT-900 will let you know when your device is fully powered. It’s available in black or white and has a sleek and functional design.

When your friends see you powering up your devices on your new wireless charger, they’ll probably ask you, “How does wireless charging work?” Now you’ll have the answers.



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Sunday, February 2, 2014

How do fiber optic cables work?


Fiber optics (optical fibers) are long, thin strands of very pure glass about the diameter of a human hair. They are arranged in bundles called optical cables and used to transmit light signals over long distances.
If you look closely at a single optical fiber, you will see that it has the following parts:
  • Core - Thin glass center of the fiber where the light travels 
  •  Cladding - Outer optical material surrounding the core that reflects the light back into the core
  • Buffer coating - Plastic coating that protects the fiber from damage and moisture


Hundreds or thousands of these optical fibers are arranged in bundles in optical cables. The bundles are protected by the cable's outer covering, called a jacket.
  • Optical fibers come in two types:
  • Single-mode fibers
  •  Multi-mode fibers

Single-mode fibers have small cores (about 3.5 x 10-4 inches or 9 microns in diameter) and transmit infrared laser light (wavelength = 1,300 to 1,550 nanometers). Multi-mode fibers have larger cores (about 2.5 x 10-3 inches or 62.5 microns in diameter) and transmit infrared light (wavelength = 850 to 1,300 nm) from light-emitting diodes (LEDs).
Some optical fibers can be made from plastic. These fibers have a large core (0.04 inches or 1 mm diameter) and transmit visible red light (wavelength = 650 nm) from LEDs.


How Does an Optical Fiber Transmit Light?



Suppose you want to shine a flashlight beam down a long, straight hallway. Just point the beam straight down the hallway -- light travels in straight lines, so it is no problem. What if the hallway has a bend in it? You could place a mirror at the bend to reflect the light beam around the corner. What if the hallway is very winding with multiple bends? You might line the walls with mirrors and angle the beam so that it bounces from side-to-side all along the hallway. This is exactly what happens in an optical fiber.
The light in a fiber-optic cable travels through the core (hallway) by constantly bouncing from the cladding (mirror-lined walls), a principle called total internal reflection. Because the cladding does not absorb any light from the core, the light wave can travel great distances.
However, some of the light signal degrades within the fiber, mostly due to impurities in the glass. The extent that the signal degrades depends on the purity of the glass and the wavelength of the transmitted light (for example, 850 nm = 60 to 75 percent/km; 1,300 nm = 50 to 60 percent/km; 1,550 nm is greater than 50 percent/km). Some premium optical fibers show much less signal degradation -- less than 10 percent/km at 1,550 nm.


Advantages of Fiber Optics

Why are fiber-optic systems revolutionizing telecommunications? Compared to conventional metal wire (copper wire), optical fibers are:
Less expensive - Several miles of optical cable can be made cheaper than equivalent lengths of copper wire. This saves your provider (cable TV, Internet) and you money. Thinner - Optical fibers can be drawn to smaller diameters than copper wire. Higher carrying capacity - Because optical fibers are thinner than copper wires, more fibers can be bundled into a given-diameter cable than copper wires. This allows more phone lines to go over the same cable or more channels to come through the cable into your cable TV box.Less signal degradation - The loss of signal in optical fiber is less than in copper wire. Light signals - Unlike electrical signals in copper wires, light signals from one fiber do not interfere with those of other fibers in the same cable. This means clearer phone conversations or TV reception. Low power - Because signals in optical fibers degrade less, lower-power transmitters can be used instead of the high-voltage electrical transmitters needed for copper wires. Again, this saves your provider and you money. Digital signals - Optical fibers are ideally suited for carrying digital information, which is especially useful in computer networks. Non-flammable - Because no electricity is passed through optical fibers, there is no fire hazard.Lightweight - An optical cable weighs less than a comparable copper wire cable. Fiber-optic cables take up less space in the ground. Flexible - Because fiber optics are so flexible and can transmit and receive light, they are used in many flexible digital cameras for the following purposes:
  • Medical imaging - in bronchoscopes, endoscopes, laparoscopes
  • Mechanical imaging - inspecting mechanical welds in pipes and engines (in airplanes, rockets, space shuttles, cars)
  •  Plumbing - to inspect sewer lines

Because of these advantages, you see fiber optics in many industries, most notably telecommunications and computer networks. For example, if you telephone Europe from the United States (or vice versa) and the signal is bounced off a communications satellite, you often hear an echo on the line. But with transatlantic fiber-optic cables, you have a direct connection with no echoes.

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Thursday, January 30, 2014

New Battery Technologies Could Intensely Change Electronics Market



Ever consider how much we depend on batteries on a daily basis – and how disruptive a dead or weak battery can be?
Cell phones, lap top computers – and perhaps even your car, if you drive an electric/hybrid – cannot function without long-lasting, rechargeable batteries.
It's shocking news, but battery technology is still in its infancy. However, that technology is going through a major and rapid evolution; which in turn could affect a wide spectrum of electronic products we all rely on.
Just this week, a research team from Stanford University and the Department of Energy's SLAC National Accelerator Laboratory said they've developed the first self-healing battery electrode.
Related: Tesla Updates & Expands Battery Supply Agreement with Panasonic
The breakthrough, according to a Stanford press release, could dramatically improve a battery's storage capacity and performance, “opening a new and potentially commercially viable path for making the next generation of lithium ion batteries for electric cars, cell phones and other devices.”
Meanwhile, Ford (NYSE: F [FREE Stock Trend Analysis]), the U.S. Department of Energy and the Michigan Economic Development Corporation and other groups invested in the $8 million battery research laboratory that opened last month at the University of Michigan.
The facility will test new battery technologies, to help industries determine which pilot projects are the most durable, cost-efficient and lightweight ahead of any production commitments.
“This lab will give us a stepping-stone between the research lab and the production environment, and a chance to have input much earlier in the development process,” Ted Miller, who guides Ford's battery research, said in a press statement. “This is sorely needed, and no one else in the auto industry has anything like it.”
Related: Steve Minnihan: Lithium-Ion To Take The Lead As Battery Technologies Focus on Backup Markets
And earlier this year, researchers at the University of Illinois at Urbana-Champaign announced the development of a new lithium-ion battery technology that is reportedly 2,000 times more powerful than current batteries.
Those researchers, according to the ExtremeTech web site, say their development could be more than an evolutionary step in battery development but “a new enabling technology… it breaks the normal paradigms of energy sources. It’s allowing us to do different, new things.”
And what's more, these new batteries are small – supposedly the most powerful microbatteries ever documented.
“This is a whole new way to think about batteries,” William King, the mechanical science and engineering professor who lead the research group, said in a university press release.

“A battery can deliver far more power than anybody ever thought,” he continued. “In recent decades, electronics have gotten small. The thinking parts of computers have gotten small. And the battery has lagged far behind. This is a microtechnology that could change all of that. Now the power source is as high-performance as the rest of it.”

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Monday, January 13, 2014

Stay Hungry, Stay Foolish ~ Steve Jobs




I am honored to be with you today at your commencement from one of the finest universities in the world. I never graduated from college. Truth be told, this is the closest I've ever gotten to a college graduation. Today I want to tell you three stories from my life. That's it. No big deal. Just three stories.

The first story is about connecting the dots.

I dropped out of Reed College after the first 6 months, but then stayed around as a drop-in for another 18 months or so before I really quit. So why did I drop out?

It started before I was born. My biological mother was a young, unwed college graduate student, and she decided to put me up for adoption. She felt very strongly that I should be adopted by college graduates, so everything was all set for me to be adopted at birth by a lawyer and his wife. Except that when I popped out they decided at the last minute that they really wanted a girl. So my parents, who were on a waiting list, got a call in the middle of the night asking: "We have an unexpected baby boy; do you want him?" They said: "Of course." My biological mother later found out that my mother had never graduated from college and that my father had never graduated from high school. She refused to sign the final adoption papers. She only relented a few months later when my parents promised that I would someday go to college.

And 17 years later I did go to college. But I naively chose a college that was almost as expensive as Stanford, and all of my working-class parents' savings were being spent on my college tuition. After six months, I couldn't see the value in it. I had no idea what I wanted to do with my life and no idea how college was going to help me figure it out. And here I was spending all of the money my parents had saved their entire life. So I decided to drop out and trust that it would all work out OK. It was pretty scary at the time, but looking back it was one of the best decisions I ever made. The minute I dropped out I could stop taking the required classes that didn't interest me, and begin dropping in on the ones that looked interesting.

It wasn't all romantic. I didn't have a dorm room, so I slept on the floor in friends' rooms, I returned coke bottles for the 5¢ deposits to buy food with, and I would walk the 7 miles across town every Sunday night to get one good meal a week at the Hare Krishna temple. I loved it. And much of what I stumbled into by following my curiosity and intuition turned out to be priceless later on. Let me give you one example:

Reed College at that time offered perhaps the best calligraphy instruction in the country. Throughout the campus every poster, every label on every drawer, was beautifully hand calligraphed. Because I had dropped out and didn't have to take the normal classes, I decided to take a calligraphy class to learn how to do this. I learned about serif and san serif typefaces, about varying the amount of space between different letter combinations, about what makes great typography great. It was beautiful, historical, artistically subtle in a way that science can't capture, and I found it fascinating.
None of this had even a hope of any practical application in my life. But ten years later, when we were designing the first Macintosh computer, it all came back to me. And we designed it all into the Mac. It was the first computer with beautiful typography. If I had never dropped in on that single course in college, the Mac would have never had multiple typefaces or proportionally spaced fonts. And since Windows just copied the Mac, it's likely that no personal computer would have them. If I had never dropped out, I would have never dropped in on this calligraphy class, and personal computers might not have the wonderful typography that they do. Of course it was impossible to connect the dots looking forward when I was in college. But it was very, very clear looking backwards ten years later.

Again, you can't connect the dots looking forward; you can only connect them looking backwards. So you have to trust that the dots will somehow connect in your future. You have to trust in something — your gut, destiny, life, karma, whatever. This approach has never let me down, and it has made all the difference in my life.

My second story is about love and loss.

I was lucky — I found what I loved to do early in life. Woz and I started Apple in my parents garage when I was 20. We worked hard, and in 10 years Apple had grown from just the two of us in a garage into a $2 billion company with over 4000 employees. We had just released our finest creation — the Macintosh — a year earlier, and I had just turned 30. And then I got fired. How can you get fired from a company you started? Well, as Apple grew we hired someone who I thought was very talented to run the company with me, and for the first year or so things went well. But then our visions of the future began to diverge and eventually we had a falling out. When we did, our Board of Directors sided with him. So at 30 I was out. And very publicly out. What had been the focus of my entire adult life was gone, and it was devastating.

I really didn't know what to do for a few months. I felt that I had let the previous generation of entrepreneurs down - that I had dropped the baton as it was being passed to me. I met with David Packard and Bob Noyce and tried to apologize for screwing up so badly. I was a
very public failure, and I even thought about running away from the valley. But something slowly began to dawn on me — I still loved what I did. The turn of events at Apple had not changed that one bit. I had been rejected, but I was still in love. And so I decided to start over.
I didn't see it then, but it turned out that getting fired from Apple was the best thing that could have ever happened to me. The heaviness of being successful was replaced by the lightness of being a beginner again, less sure about everything. It freed me to enter one of the most creative periods of my life.

During the next five years, I started a company named NeXT, another company named Pixar, and fell in love with an amazing woman who would become my wife. Pixar went on to create the worlds first computer animated feature film, Toy Story, and is now the most successful animation studio in the world. In a remarkable turn of events, Apple bought NeXT, I returned to Apple, and the technology we developed at NeXT is at the heart of Apple's current renaissance. And Laurene and I have a wonderful family together.

I'm pretty sure none of this would have happened if I hadn't been fired from Apple. It was awful tasting medicine, but I guess the patient needed it. Sometimes life hits you in the head with a brick. Don't lose faith. I'm convinced that the only thing that kept me going was that I loved what I did. You've got to find what you love. And that is as true for your work as it is for your lovers. Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work. And the only way to do great work is to love what you do. If you haven't found it yet, keep looking. Don't settle. As with all matters of the heart, you'll know when you find it. And, like any great relationship, it just gets better and better as the years roll on. So keep looking until you find it. Don't settle.

My third story is about death.

When I was 17, I read a quote that went something like: "If you live each day as if it was your last, someday you'll most certainly be right." It made an impression on me, and since then, for the past 33 years, I have looked in the mirror every morning and asked myself: "If today were the last day of my life, would I want to do what I am about to do today?" And whenever the answer has been "No" for too many days in a row, I know I need to change something.

Remembering that I'll be dead soon is the most important tool I've ever encountered to help me make the big choices in life. Because almost everything — all external expectations, all pride, all fear of embarrassment or failure - these things just fall away in the face of death,
leaving only what is truly important. Remembering that you are going to die is the best way I know to avoid the trap of thinking you have something to lose. You are already naked. There is no reason not to follow your heart.

About a year ago I was diagnosed with cancer. I had a scan at 7:30 in the morning, and it clearly showed a tumor on my pancreas. I didn't even know what a pancreas was. The doctors told me this was almost certainly a type of cancer that is incurable, and that I should expect to live no longer than three to six months. My doctor advised me to go home and get my affairs in order, which is doctor's code for prepare to die. It means to try to tell your kids everything you thought you'd have the next 10 years to tell them in just a few months. It means to make sure everything is buttoned up so that it will be as easy as possible for your family. It means to say your goodbyes.

I lived with that diagnosis all day. Later that evening I had a biopsy, where they stuck an endoscope down my throat, through my stomach and into my intestines, put a needle into my pancreas and got a few cells from the tumor. I was sedated, but my wife, who was there, told me that when they viewed the cells under a microscope the doctors started crying because it turned out to be a very rare form of pancreatic cancer that is curable with surgery. I had the surgery and I'm fine now.

This was the closest I've been to facing death, and I hope it's the closest I get for a few more decades. Having lived through it, I can now say this to you with a bit more certainty than when death was a useful but purely intellectual concept:

No one wants to die. Even people who want to go to heaven don't want to die to get there. And yet death is the destination we all share. No one has ever escaped it. And that is as it should be, because Death is very likely the single best invention of Life. It is Life's change agent. It clears out the old to make way for the new. Right now the new is you, but someday not too long from now, you will gradually become the old and be cleared away. Sorry to be so dramatic, but it is quite true.

Your time is limited, so don't waste it living someone else's life. Don't be trapped by dogma — which is living with the results of other people's thinking. Don't let the noise of others' opinions drown out your own inner voice. And most important, have the courage to follow your heart and intuition. They somehow already know what you truly want to become. Everything else is secondary.

When I was young, there was an amazing publication called The Whole Earth Catalog, which was one of the bibles of my generation. It was created by a fellow named Stewart Brand not
far from here in Menlo Park, and he brought it to life with his poetic touch. This was in the late 1960's, before personal computers and desktop publishing, so it was all made with typewriters, scissors, and polaroid cameras. It was sort of like Google in paperback form, 35 years before Google came along: it was idealistic, and overflowing with neat tools and great notions.

Stewart and his team put out several issues of The Whole Earth Catalog, and then when it had run its course, they put out a final issue. It was the mid-1970s, and I was your age. On the back cover of their final issue was a photograph of an early morning country road, the kind you might find yourself hitchhiking on if you were so adventurous. Beneath it were the words: "Stay Hungry. Stay Foolish." It was their farewell message as they signed off. Stay Hungry. Stay Foolish. And I have always wished that for myself. And now, as you graduate to begin anew, I wish that for you.
 
Stay Hungry. Stay Foolish.

Thank you all very much.

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