Learn to speak with your eyes on Livetext.
Yahoo's going after the Snapchat generation with an app that-- but without sound. Does this mean silent films are cool again?
Also in this tech-news roundup, learn why Lexus is a butthead for , and Google adds many .
CNET Update delivers the tech news you need in under three minutes. Watch Bridget Carey every afternoon for a breakdown of the big stories, hot devices, new apps, and what's ahead. Subscribe to the podcast via the links below.