When Michael Jackson died in June, the words “RIP Michael Jackson” on Twitter and Facebook broke the news to millions of people.

When Lance Armstrong returns to the Tour de France next year, he’ll probably have the support of the surprising new members of his fan club, the French.

With record turnout this election day, the Twitter Vote Report is being flooded with input from voters reporting problems at the polls.

Microblogging site Twitter has made it easier to navigate every up-to-the-moment update published on its website with a newly acquired search engine, Summize.

Sarah Lacy reports on technology for Business Week, but on Sunday, technology was her worst enemy.

As she interviewed Facebook founder Mark Zuckerberg at the South by Southwest Interactive Conference and Festival, the audience was reporting on her questions and style by using Twitter, and their reviews weren’t good.