When we first covered Empire Avenue, it was an obscure, but interesting, game based around the idea of trading visrtual stocks in users' social media presence – Klout crossed with the NASDAQ, if you like. Since then it's picked up a lot of steam. Now the Canadian startup is taking things a step further with its first commercial partnership.The deal with Microsoft's Xbox brand means that users will be able to trade their virtual social value on the site for a ‘virtua [...]

Read More: Empire Avenue ties up with Microsoft's Xbox brand to offer virtual goods