AdMob is an up and coming mobile advertising platform, supporting both the advertisers and publishers (including my Mobile Website list). AdMob is in a unique position given they serve millions of ads to mobile devices each day. Today they published a summary report of some metrics from September 2007: AdMob Mobile Metrics is a new report with market level data. This initial report covers the month of September and includes manufacturer, device and country-specific data on AdMob’s top four markets by impressions served: US, UK, India and South Africa. In the future, we plan to add operator data and incremental…