What you need to know about hologram people
 

Perhaps you watched the Billboard Music Awards and were aghast (or impressed) by Michael Jackson's performance from beyond the grave. Or maybe you were at Coachella and caught a resurrected Tupac onstage with real-life Snoop Dogg. Hell, let's say you...

http://www.engadget.com/2014/05/30/h...=rss_truncated