AdMob announced that they have served their 20 billionth advertisement, making it the first mobile advertising company to hit this milestone worldwide. Since March 2007, the company’s monthly impressions have grown from 500 million ads per month to 2.5 billion advertisements per month today. This demonstrates both the electric pace of overall mobile web browsing worldwide and the growth of the AdMob network of sites.

AdMob has grown its ecosystem on the back of technology built to optimize relevance and targeting for the mobile environment. Hundreds of advertisers create and run ads through the marketplace and AdMob serves ads to mobile web users in over 160 countries daily. AdMob recently launched a Japanese language version of its online marketplace to serve the Japanese market, which is among the most developed country markets for mobile web browsing.

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