Facebook/Meta COO Sheryl Sandberg will step down after 14 years of service
Sandberg hopes to focus on her philanthropic work
Sheryl sandberg articles
Facebook spent more than $31 million on personal security for Zuckerberg and Sandberg in 2020
Keeping Facebook's top brass safe is costly
Mark Zuckerberg reportedly has a secret escape chute beneath his conference room
Facebook CEO Mark Zuckerberg and COO Sheryl Sandberg have 24/7 security details
Zuckerberg says Facebook is at "war," and it's causing executives to quit
It's reportedly led to "unprecedented turmoil"
