Celebrating Windows 7 at 1 Year – More than 240 Million Licenses Sold (windowsteamblog.com)

Out of curiosity, how would they know this? "Aero Snap has been used 150,957,478 times in the last month."

Doesn't seem like an estimate...

didn't even know this one: "7. Aero Shake: Aero Shake allows a person to grab an application with their mouse, and “shake” it to minimize any open application window except the one they are holding with their mouse. Sometimes I have so many applications open at the same time; I just “shake” them all away (minimize them all at once) to keep my focus on what I’m doing in one application."