An app developer named Dalton Caldwell has written an acerbic open letter to Facebook CEO Mark Zuckerberg. 

The letter is about how Caldwell was called into Facebook to meet with a group of executives, and how these executives told Caldwell that his startup was competitve with a Facebook product, and that he should therefore sell it to Facebook or face destruction.

Caldwell says he rejected the offer. "I was not interested in an acqui-hire."

"I said that if Facebook wanted to have a serious conversation about acquiring my team and product, I would entertain the idea. Otherwise, I had zero interest in seeing my product shut down and joining Facebook. I told your team I would rather reboot my company than go down that route."

Read more: http://www.businessinsider.com/facebook-told-me-to-sell-my-business-to-them-or-be-destroyed-and-i-said-stuff-it-2012-8#ixzz22MN293Ht