Mobile advertising both on apps and the mobile web, is a natural extension of Google’s display and search ad business. However, Google's AdMob capabilities did not fit the overall strategy for mobile advertising. Now Google is announcing that it will soon end AdMob’s mobile web serving and instead encourage mobile web publishers to use AdSense.

There’s now an option for Google+ users to upload address books to find and invite more friends to join the company’s brand new social networking service. As Vic Gundotra added shortly thereafter, this is a fairly big deal.

Last night, you may have heard talk of a mysterious black bar appearing on the top of Google.com. Or you may have even seen it yourself. No, you weren’t hallucinating. It was a sign of something about to show itself. Something big. Google+.