5 Things You Did Not Know about Google


2. How Google's AdSense happened:

Mayer, in the interview, said she almost killed the idea of targeting ads based on users’ e-mails, because she (at first) thought the idea was “creepy”. However, a colleague working an all-nighter overlooked her dismissal of the idea, and thus started ads-in-e-mail.

Today, Google’s AdSense is a multi-billion dollar business.