Facebook is an American for-profit corporation and an online social media and social networking service based in Menlo Park, California. The Facebook website Founded : February 4, ; 13 years ago. Create an account or log into Facebook. Connect with friends, family and other people you know. Share photos and videos, send messages and get updates. Keeping up with friends is faster than ever. • See what friends are up to • Share updates, photos and video • Get notified when friends like and.