Second Life has devolved into a postapocalyptic virtual world. The weirdest thing is how many people still use it
Launched in 2003 by Linden Lab, it was an unprecedentedly wide and open free online world (which allowed real-money purchases). Complete with its own in-game currency, it was a virtual reality with no objective other than to let people build and do what they want, and people were obsessed with it.