AdMob has released the latest statistics for its ad network for March 2008. During the period, AdMob saw requests for 2.85 billion (+11.8% on February) impressions and actually served 2.55 billion (+10.0%) impressions.

For the first time, AdMob reported on the screen size of the requested ads according to MMA guidelines. The information is also broken down by country. The MMA screen size share for March is:

Another interesting point is that almost one quarter (24.5%) of the ad requests came from Smartphones. Nokia and RIM dominant the smartphone sector, with almost 2/3 of the requests. The manufacturer break down is: