Meta announced a new friends-only tab. It's one of many changes in Facebook's 20-year history.Facebook, originally called Thefacebook, was limited to Harvard students in 2004.In 2006, news feed and mini-feed were introduced, facing initial user backlash.Facebook's real-time news feed was launched in 2009 in response to Twitter.The ticker feature, introduced in 2011, displayed instant updates but was later removed.In 2012, 'Sponsored stories' ads started appearing in news feeds.Facebook redesigned the news feed in 2013 for a more personalized experience.In 2016, the news feed was updated to prioritize posts from friends and family.In 2021, Facebook introduced a 'feed filter bar' giving users more control over their feeds.In 2022, Facebook changed its name to Meta and added a friends-only tab to focus on original Facebook experience.