2011 is the year of mobile.
Per Google:

By the end of 2011, an estimated one billion people around the world will be connected to the mobile web and 50% of all Americans will own a smartphone. Because of the explosion of web-enabled mobile devices, mobile usage is now on a hockey-stick trajectory: searches on smartphones and tablets have increased by 4x in the last year

15% of all searches are now from mobile devices.
Got it?