Facebook, the biggest social network in the world, now has over 1.5 billion monthly active users. According to David Kirkpatrick’s book The Facebook Effect, the company was a very popular M&A target in its startup years.

As early as 4 months after Facebook’s inception, people with money and people representing companies with money began lining up to beg Facebook co-founder and CEO Mark Zuckerberg to take their cash and sell the company. Obviously, Zuckerberg turned all their offers down. But some offers were much more tempting than you probably realize.

Meet the 10 companies that tried to buy Facebook back when it was a startup…