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Your Maine Forum Forum Index -> Around The Water Cooler -> Technology

'Bits' & 'Bytes' (PC & Electronic Stuff)
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SPIDER
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Joined: 27 Mar 2006
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CNET.Com
By: Erica Ogg
May 27, 2011




Selling Old Gadgets: Buy Back Services Compared

At the pace that new e-readers, tablets, and smartphones are released, it can be disappointing how the latest gadget can make that shiny new iPad or Kindle you bought last year seem obsolete.

If you don't have an endless budget for tech purchases and would rather not just dump the old one in the trash, or are looking to raise some funds, one way to recoup some of what you paid for old tech is through buyback services.

They're popping up all over, on the Web, in-store recycling kiosks, and even at major electronics retailers.

The appeal is obvious: people throw away or give away old electronics all the time, especially when there's a new object of tech obsession to stand in line for.

While eBay and Craigslist are good ways to find a new home for an old gadget, it requires some effort on the seller's part.

Deciding on a competitive price, weighing offers, and either shipping it off yourself or agreeing on a place to meet your buyer to make the exchange.

Services like Gazelle.com, Nextworth.com, and eBay Instant Sale do most of the work for you.

They evaluate the condition of the item you want to sell and pay you with a check, PayPal deposit, or credit at a retailer based on the resale market value--which each service independently determines.

And big box retailers like Best Buy, Wal-Mart, and Radio Shack have gotten in on the buy-back action too. They will take your old items for store credit toward a new purchase.

Gazelle shows you the changing market value of your used gadget over time.

We've taken some gadgets that people might plan on upgrading from in the next few months and run them through the various services to figure out who offers the best deal.

There are some subtle but notable differences between the services.


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Post Fri 27 May, 2011 11:27 pm 
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SPIDER
Official Mainah


Joined: 27 Mar 2006
Posts: 1328
Location: "The Worlds Most Famous Beach"


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Barnes & Noble Nook Touch Reader (Wi-Fi)

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CNET.Com

Verdict: New Nook beats Kindle

Is the new touch-screen Nook better than the Kindle?

That's what a lot of people are asking and the short answer--at least at this moment--is arguably yes.

The 2011 Nook is a compact and lightweight e-book reader with a responsive high-contrast Pearl e-ink touch screen that offers quick page turns.

It's got built-in Wi-Fi for direct access to the online Barnes & Noble store, an expansion slot for additional memory, and long battery life (up to two months).

Plus, it supports e-book lending and EPUB loans from libraries, and offers some enhanced social networking features.


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Post Wed 01 Jun, 2011 5:36 pm 
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SPIDER
Official Mainah


Joined: 27 Mar 2006
Posts: 1328
Location: "The Worlds Most Famous Beach"


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To ... "INFINITY and BEYOND"

Discovery.Com
May 17, 2013
By: Jesse Emspak





Wi-Fi Network Breaks Speed Record

Think your network is fast? Getting a gigabyte-sized movie over your local wireless network to your hard drive in a few seconds is old hat. Now there’s a network that can push a 2-hour, high-definition movie to a computer a mile away in less time than it takes to read a single word.

At the
Karlsruhe Institute of Technology in Germany, a new record has been set: 40GB per second over a distance of about .6 of a mile. That’s like sending 10 high-def feature films.

What makes this possible is a combination of better hardware and the use of higher radio frequencies, in this case, 240 gigahertz.That hardware is a set of chips developed at Karlsruhe that can process signals at higher frequencies. Higher frequencies mean smaller components, since a shorter wavelength can be picked up by a smaller antenna (which is why FM and AM radios need relatively large antennas, while Wi-Fi receivers can use small ones). These chips were only a few millimeters on a side.

The high frequencies are necessary for moving lots of data — the number of bits that can travel over the airwaves is inversely proportional to the wavelength. The shorter the wavelength, the more data that can go in a given time.

A Wi-Fi network operates at 2.4 or 5 GHz, and tens of megabytes per second is not uncommon. Smartphones on the latest networks work at frequencies somewhat below that, and it’s no accident that they struggle to hit 10MB per second.

At some high frequencies moisture in the air can cause the signal to fade, but 240 GHz seems to be in a sweet spot where there’s little interference from moisture. Since transmissions can go much further than a Wi-Fi router can manage, there’s a possibility this type of transmitter would work well for rural areas where laying down fiber-optic cable — the gold standard of transmission speed — is too expensive to justify.


Image: The high frequency chip developed by the Karlsruhe Institute of Technology.
Credit: Karlsruhe Institute of Technology/Sandra Iselin/Fraunhofer IAF

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Post Tue 21 May, 2013 3:58 am 
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