A possibility explored in the New York Times which says that
Every year around this time, a few brave forecasters declare that advertising on mobile devices is poised to become the next big thing in marketing. And every year, the results disappoint.
Last year it accounted for less than a third of one percent of total ad revenue but says the report
Industry analysts say that now, with the introduction of Apple’s iPad tablet, an entirely new approach to mobile ads could be near.