Behind Fidji Simo's surprise departure at Facebook
Before Instacart named her CEO, the head of the Facebook app found herself at odds with Mark Zuckerberg
Note: After publishing this story, additional interviews persuaded me that the opening anecdote here is incorrect. I wrote up what I learned in this follow-up post.
In March, during a regular meeting of his top lieutenants, Mark Zuckerberg did something that surprised s…