Facebook

Facebook was a social media website which existed in several universes.

In Reality Z-25 31-H, Kate Five used Facebook; private chat logs on there were the only place she'd ever discussed embarrassing stories about her early sexual experiences in college. (PROSE: Kate Five Extended Bio)

In one universe, Facebook HQ was the site of various strange events between June 18th, 2019 and October 4th, 2021, at which latter date the site went down for a day. Facebook was headed by Mark Zuckerberg, whose erratic behaviour was a recurring trend throughout the year full of eldritch occurrences, though it may not have been directly caused thereby. Zuckerberg also employed a team of “imagineers”. (PROSE: What Went Down at Facebook)