5. The big shot media company Viacom had offered to acquire Facebook, but was rejected by Mark Zuckerberg.

6. After agreeing to an acquisition offer from Yahoo while it was led by Terry Semel, Facebook staepped down from the deal when there were talks of lowering the offer price.

7. The Microsoft CEO, steve Ballmer had offered to buy Facebook. Steve has invested $240 million in Facebook till date.

8. Facebook interviewed Yahoo executive Ellen Siminoff, Apple veteran Bud Colligan, and former OpenTable CEO Jeff Jordan for the position of COO which is now held by Sheryl Sandberg.