When Google bought AdMob for $750 million in 2009, the company was clearly trying to capitalize on the growing mobile ad market. Mobile advertising, both on apps and the mobile web, is a natural extension of Google’s display and search ad business. Of course, as the integration has taken place over the last year, certain AdMob features have been axed because  they didn’t fit with the overall strategy or  for redundancy.

As Google aptly titled its blog post announcing the change; AdMob is for mobile app developers. AdSense is for mobile web publishers.

And for mobile apps advertising, all AdSense for Mobile Applications beta participants have been switched to AdMob, which Google says is now the primary ad solution for mobile app developers. But Google is still sorting out the overlap and determined that mobile web publishers should go to AdSense, and mobile app publishers should use AdMob.

Source and full report Washington Post