I wrote this about a year ago:
What will be the dominant model on the mobile? What will create the $30 billion global market opportunity in the next five years?
…On the mobile, VAS 1.0 was all about generating revenues from consumers. In India, this is a billion dollar business. VAS 2.0 will be using Free SMS Subscriptions as the anchor for monetising the right of way to consumers in multiple different ways. What will be valuable in this case is the Subscriptions Engine. What Search did on the Internet Subscriptions will do on the Mobile – generate an audience and create revenue streams.