From US mobile phone users alone, 38% recalls seeing mobile ads via SMS at the first quarter of 2009. On other hand, 59% reveals Smartphone (such as iPhones) users seeing ads with mobile web advertising on top list, according to a report released by Brightkite-GfK Quarterly Report.

The increased breadth of mobile advertising reveals the most striking finding of the report with 23% Smartphone users recalls SMS advertising, 20% saw ads in social networks, and 15% from mobile TV/video. Report also reveals location-based network’s growth almost tripled to 15%. Read more