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Brazil is the world's third largest market for Facebook and the fifth largest for Twitter, and it has quickly become the largest market for Lulu, the controversial man-rating app for women. That has highlighted the country's race to pass legislation to keep up with a quickly changing society.

We asked you to photograph your commute. We had no idea you would make such connections!

Twitter is beginning to have fun, some of it a little naughty, with the news from Washington. See if you came come up with a few lines of your own.

The National Security Agency's effort to find connections between suspects has led the agency to collate reams of phone and e-mail data with information from sources that include GPS data and Facebook, according to The New York Times. The newspaper cites documents provided by former NSA contract worker Edward Snowden.

Omar Hammami was a bright Alabama kid who turned into a self-described terrorist in Somalia. In the months preceding Hammami's sudden death, journalist J.M. Berger struck up a conversation with him on Twitter.

U.S. Circuit Judge William Traxler compared liking something on Facebook to displaying a political sign on your front yard, which the Supreme Court has found to be "substantive speech."

Thursday brought flooding that while not unprecedented, was highly widespread across the Front Range. What started with some playful behavior in Boulder,…

In a tweet, the 200-million-user microblogging service said it had confidentially submitted the paperwork for a planned IPO.

China runs the largest censorship machine in human history, researchers say. But Harvard studies of Internet postings in China suggest that even vitriolic criticisms of leaders and state policies are not what officials want to censor.

With more than 300,000 residents, St. Louis has a lot on its mind. Local poet Henry Goldkamp hopes to find out just what makes the city tick with his new public art project. He's installed 37 typewriters citywide, asking for answers to the question, "What The Hell Is St. Louis Thinking?"