Why the WhatsApp acquisition ended with everyone mad at each other

On September 17th of last year, WhatsApp cofounder Brian Acton quit the company to start a nonprofit foundation. Six months later, after several former Facebook executives had come forward to criticize the company, Acton tweeted “It is time. #deletefacebook.” Ever since, we’ve wondered what exactly led him to tweet.
Now we know. In his first interview since leaving Facebook, Acton told Forbes’ Parmy Olson that he felt betrayed by the company in two ways. One, Acton belie