Jerry Yang, Yahoo's undead CEO 2.44K Owen Thomas 10/30/08 08:00PM Filed to: Fright Masks Fright Masks Halloween Jerry Yang Yahoo Valleywag How to wear it: Polo shirt, khakis, and a golf club. How to scare them: Go to Yahoo's Sunnyvale headquarters. Refuse to leave. Didn't find the right mask? Check out the rest of Valleywag's 5 scariest people for Halloween.