Facebook is remarkably talented at turning great products into absolute trash, bottom of the barrel stuff.

Sure but he’s also now just in the world of “so much money I’m having trouble spending it.”

But don’t feel too sorry for him, as he has already sold around $8 billion worth of his Facebook stock since 2015, helping him amass a fortune of over $10 billion, according to Bloomberg’s Billionaire Index.

“I'm taking some time off to do things I enjoy outside of technology, such as collecting rare air-cooled Porsches.”

While I fully support his decision to leave, I doubt the $1bn in Facebook shares was a massive concern. It took him 4 years to leave after the acquisition.

"Koum’s co-founder Brian Acton also recently left Facebook, and last month joined the campaign to delete the social network in the wake of the Cambridge Analytica scandal." https://www.eff.org/deeplinks/2018/04/deletefacebook-or-not-deletefacebook-not-question

And used some of the money he did get to start Signal