Facebook CEO Mark Zuckerberg at Facebook headquarters in Palo Alto, Calif., on Oct. 5. Facebook said it was working to fix the privacy problem reported by The Wall Street Journal. Paul Sakuma/AP hide caption

A small study indicates that reading electronic books is up to 10.7 percent slower than an old-fashioned paper version. Manu Fernandez/AP hide caption

Google has erected a new interactive billboard in New York's Times Square as part of "Watch This Space," the company's campaign to promote its lesser-known display advertisement services. via Google hide caption

Justin Timberlake and Jesse Eisenberg star as Sean Parker and Mark Zuckerberg in The Social Network. Merrick Morton/Columbia Pictures hide caption

Google has created a new priority inbox system for its Gmail service. The new system sorts through your messages and puts the important ones in a separate box called Important. hide caption

Philip Rosedale created the virtual world of "Second Life" based on the "Metaverse" of Neal Stephenson's science fiction novel Snow Crash. AFP/AFP hide caption

Given that more women than men use social media, shouldn't the Twitter bird be pink? Mito Habe-Evans / NPR hide caption