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Today's Tech: Gadget Show Live 2013 kicks off, US judge rules against digital reselling platform ReDigi, Bitcoin value spikes

The Gadget Show Live, the exhibition spin-off of Channel 5 TV programme the Gadget Show, is taking over Birmingham’s National Exhibition Centre this week, where the latest and greatest tech toys are on display for the public and the press to ogle. ITProPortal took a trip to the show floor, from which James Laird is reporting on the gadgets of note. Among the headlining products on display is Toyota's GT86-R Marangoni Eco Explorer, an eco-friendly sports car being dubbed a "pure zero emissions" conversion vehicle that utilises ammonia cell technology and allegedly costs just £5 per 100 miles to run. Follow the link for more about the devices being showcased at the Birmingham NEC.

In the wake of Apple’s dropping share prices and Samsung’s unveiling of its next-gen Galaxy S4 smartphone, analysts the world over have posited that Apple must introduce a new product category in order to appease investors and consumers. But a look at Apple’s history serves as a reminder that the Cupertino, California-based firm doesn’t invent new products, Tim Bajarin points out. “This Wall Street idea that Apple has peaked is quite presumptuous. It assumes that Apple does not have the genius to continue to create products, even if they are reinventions of current products on the market. Could Apple design something totally new? Sure, but history shows that the company is more likely to watch which products take off and then reconceptualise them,” Tim argues.

Both Apple and Amazon have applied for patents covering technology related to marketplaces for secondhand digital goods. But a ruling in a copyright lawsuit might serve as an obstacle to platforms offering ‘pre-owned’ digital goods. US District Judge Richard Sullivan found in favour of Capitol Records in the record label’s lawsuit against ReDigi, whose platform lets users buy and sell “pre-owned” digital songs originally purchased on iTunes. Capitol, a unit of Universal Music, sued ReDigi in January 2012, arguing that the sale of used digital goods amounts to copyright infringement. Sullivan dismissed ReDigi’s defence that digital reselling is protected under the “first sale” doctrine, under which people are allowed to buy and sell copyrighted works after they’ve already been put up for sale by the rights holder. We have no idea how the digital re-selling saga will play out, but Amazon and Apple are likely among the many entities paying close attention.

Digital currency Bitcoin has long been the domain of a small community of web geeks and crypto-enthusiasts. But as its value reaches new heights in the midst of what appears to be a crumbling financial system, many are wondering whether the future of the global economy lives online. Yesterday, the value of one Bitcoin surpassed $100 (£66), up nearly 200 per cent from just a month ago, when Bitcoins were being exchanged at a value of $35 (£23). In January, Bitcoins were trading at less than $15 (£10) each. And as the Internet continues to seep into more and more aspects of our lives, digital currency could play a growing role in how financial transactions, both large and small, are carried out. Read on for a closer look at how exactly Bitcoin works.