Growth in online retail sales has been outstrip- ping conventional sales in retail stores. This on- line sales growth might be enhanced significantly by the latest online sales phenomenon of mobile commerce--shopping via mobile smart phones such as Apple's iPhone, Research in Motion's Blackberry, or Google's NexusOne. But so far, of the almost 50 million smart phone users that have access to the Internet, only about 7 million (under 15%) have actually bought something through their phones during the course of a year. Do you think mobile commerce via smart phone will grow rapidly in the future? Why or why not