US consumers will spend nearly $75 billion this year on retail sales transacted on smartphones, tablets and other mobile devices, and double-digit growth in retail mcommerce sales will continue for several more years. Topics in this webinar include: What does the increase in sales on smartphones mean for retailers? What are the differences between shopping on desktops, tablets and smartphones? How are marketers improving search and other user experiences to drive mobile sales? What role do apps play in the mcommerce ecosystem?