Mark Zuckerberg and co-founders launched the platform from his Harvard dorm room on February 4, 2004.
The company would grow to connect 2 billion people around the world.
Facebook’s expansion has included buying Instagram for $1 billion and taking the company public.
Along the way, Zuckerberg has faced privacy concerns and legal troubles.
The company has pledged to fix its problems.
(This story was originally published on February 4, 2019)