Mobile Web Technologies or Mobile Apps?

Tomi Ahonen wrote an insightful article on the "Full Analysis of iPhone Economics - It's Bad News. And Then It Gets Worse." The thrust of the article is that hiring someone to develop an iPhone app typically costs $30,000, but the vast majority of mobile users do not have iPhones. He recommends the companies spend a tenth the money and develop mobile websites or SMS campaigns for distributing mobile advertising or information -- strategies that will reach all smartphones and the majority of feature phones with one effort.
-DD