The original news feed is an algorithmically generated and constantly refreshing summary of updates about the activities of one's friends.The concept was relatively new at the time, with Twitter having launched only a few months in advance.

Facebook for SIM, a client/server SIM application developed by international digital security company Gemalto that enables people to access Facebook using the SMS protocol on their mobile phones, without needing a data plan, is released in partnership with select carriers.

On October 1, Facebook announced a clarification to its real name policy and said that drag queens could continue operating their accounts.

The company clarified that people should use their authentic real-world names but need not use their legal names.

Zuckerberg joins 700 Facebook employees for the June 2013 Lesbian Gay Bisexual Transgender Pride Celebration march in San Francisco, U. The 2013 Pride celebration was especially significant, as it followed a Supreme Court of the United States ruling that deemed the Defense of Marriage Act (DOMA) unconstitutional.

Facebook launches in collaboration with six cellphone companies (Samsung, Ericsson, Media Tek, Nokia, Opera, and Qualcomm).