Twitter made changes to its new Alerts program, making it easier for mobile users to receive critical information while adding new countries to the program.
Facebook users can donate to some of their favorite nonprofits by using the social network's new "Donate Now" button, which allows for simple philanthropy.
Twitter changed its blocking policy, making it far more lax. Now, even if you block someone, if your profile is public they can still follow and RT you.
Instagram unveiled a major new feature today: Instagram Direct, a private chatting option that allows users to send photos and text to individuals or groups
Facebook is ramping up ways to share content: The company improved its "like" and "share" buttons, and is allowing for more customization on embedded posts.
President Barack Obama attended a memorial service for former South African president Nelson Mandela, gaining the Internet's ire when he posed for a selfie.
Facebook released an overview of popular places and topics for 2013. Some of the results were expected – elections, sports, celebrities. Others, less so.
Got a struggling start-up? Why not hire a celebrity to gain critical fan buzz, then watch as he uses established rival apps to promote his personal brand!
You can often tell if someone's having a bad day or rough time on Facebook, but sometimes status updates can reveal a more permanent personality problem.