By 2010, Facebook had established itself as the social networking site to use.
But there was a constellation of other social networking platforms and apps that also existed at the time. Some of these social platforms were already fading from their glory days, others — like YouTube, Twitter, and LinkedIn — were still finding their footing and on the rise.
Not all of them made it through the decade. The consumer internet business is notoriously challenging, and problems ranging from ill-fated site redesigns to fleeing users spelled the end for some of the early social networks.
Here are some of the most popular social platforms in 2010 that have since been killed or have faded into oblivion: