Imitation is the sincerest form of getting rich. MySpace got bought early, on the cheap; Facebook has yet to cash out. Michael and Xochi Birch's sale of Bebo, a social network more popular overseas than in the U.S., to AOL for $850 million has been the best social-network cashout to date. And how did they manage it?…

Sure, your iPhone 3G's touchscreen is nice, but with Ringo, a "holographic shadow," you don't have to touch anything. According to this clip, a Ringo-enabled mobile device's buttons will project onto the ground in front of you. Skip to 1:15 in the clip embedded below and see handy this could be when it comes to…