I seriously doubt Google is paying him 30x his yearly salary not to jump ship for Facebook.
I also happen to know a few cases of million dollar quants being poached from financial companies to software companies (specifically IBM, MS, and a couple of smaller companies I'd probably do better not to mention by name).
http://www.businessinsider.com/google-engineer-gets-6-millio...
I seriously doubt Google is paying him 30x his yearly salary not to jump ship for Facebook.
I also happen to know a few cases of million dollar quants being poached from financial companies to software companies (specifically IBM, MS, and a couple of smaller companies I'd probably do better not to mention by name).