American television is crammed with super-observational, socially-maladjusted detectives who solve crimes with the help of a more normal partner. They are all clones of Sherlock Holmes — who is coming back to American TV on Sunday.
Robin Roberts of <em>Good Morning America</em> talks with Facebook founder and CEO Mark Zuckerberg about Facebook's new tool that lets users share their organ donor status.
Credit Rick Rowell / AP
Invisible Children's "Kony 2012" video about Central African warlord Joseph Kony went viral earlier this year but is seen as a cautionary tale by some social media experts. Here, the group's co-founders, Jason Russell, Bobby Bailey and Laren Poole, record footage in Africa in 2007.
The American Red Cross recently unveiled a Digital Operations Center in Washington, D.C., which is devoted to disaster relief and uses social media to help empower stricken communities.
Credit Barbara L. Salisbury / The Washington Times/Landov
Hours after Facebook put out a call Tuesday for its users to register as organ donors, 6,000 people had already signed up. That's more than 15 times the number of people who normally register each day, according to Donate Life America, which is collaborating with Facebook.