March 21, 2013 The first tweet was posted seven years ago. Since then, the social media site has been used as a free speech platform to spread information, report on the Arab Spring and stay connected with millions worldwide. But critics say that as Twitter has grown, it has sometimes compromised its principles.
March 11, 2013 Hardware is a hot topic this year at the Texas-based festival famous for launching startups like Twitter and Foursquare.
March 11, 2013 The Leap Motion Controller senses and tracks hand motions to allow users to browse the Web, play games and open documents. It represents another step in a goal of computer scientists: to make interactions with machines feel natural and easy, and to take away the barriers between humans and computers.
February 20, 2013 A copyright ruling from the Library of Congress covers whether people may buy a phone from one carrier and then use it with another. A recent change makes it illegal to unlock a phone, or untie it from the original carrier, without permission. But some people are petitioning the White House to undo that change.
January 16, 2013 The "graph search" feature, which will let users comb their friends' pages for everything from travel tips to restaurants they like, gives the company a path to grow its revenue but could also add to privacy concerns. Most analysts don't see the new feature as a direct threat to Google — for now.