List of companies Mark Zuckerberg started
CourseMatch; software that helped students choose their classes based on the course selections of other users.
Facemash; a website which compared the pictures of two students on campus and allowed users to vote on which one was more attractive.
Facebook; a social network that helps people connect and stay updated on friends and family.
Due to his wild success with Facebook he accumulated wealth of more than 25 billion USD before his 30th birthday.
Startup quotes from Mark Zuckerberg
Source of images: flickr.com