Boys in a Mumbai slum use their cell phones. An Indian service called GupShup is using simple texting functions to form virtual communities. There are vast stretches of India and elsewhere in the developing world with ample basic cellphone service, but that have yet to access social networking platforms like Facebook and Twitter. Rafiq Maqbool/AP hide caption
OkCupid.com adds social gaming aspects to online dating. Lester Public Library/via Flickr hide caption
The Poken: Don't leave home without it. Screenshot/Poken.com hide caption
Mark Zuckerberg announces changes in privacy features. Justin Sullivan/Getty hide caption
During the Facebook outage on Thursday, people turned to Twitter. NICHOLAS KAMM/AFP/Getty Images hide caption
Antoine Dodson. Youtube screenshot/WAFF-TV hide caption
When you think of Wookiees, you think of Chewy, don't you? Ethan Miller/Getty Images North America hide caption