Why there might not be another COO like Meta's Sheryl Sandberg

Sandberg's India visit in 2014 was no lower in profile than Jeff Bezos' two months later

In 2008, when Sheryl Sandberg was getting ready to join Facebook as its chief operating officer, she made three demands:
* She would sit next to Mark Zuckerberg, the founder and chief executive officer
* Zuckerberg will meet her one-on-one every week
* During the one-on-ones, he would give her honest feedback
 
Zuckerberg agreed, and went a step further. The feedback, he said, must come from both sides.
 
Then he went another step further. Soon after Sandberg joined, Zuckerberg had this realisation that he had not really had a chance to travel. So, he took off for a