If only there were more smartphones in use, there would be a lot more dollars going to mobile advertising, a group of panelists readily agreed on a morning panel at the Interactive Advertising Bureau's Mobile Leadership Forum in Manhattan. Click-through rates and pageviews are all higher on smartphones. Although those devices are in the minority, Jeff Arbour, VP, Mobile Integration for The Hyperfactory, points out that smartphone web usage is over-indexed

In defense of WAP: Other panelists concurred, emphasizing that feature phones shouldn't be overlooked. In general, 40 percent of traffic is driven by smartphones.

Half of major marketers told Jupiter that they spend less than $50,000 on a mobile campaign. The big question: how do you get marketers to spend more money on mobile? Eric Bader, managing partner for Brand In Hand, said that he "beats up" on under-performing channels like e-mail and aims to show how he can get higher responses.