However, Multimedia Message Service (MMS), which delivers pictures, sound clips and video, is expected to show nearly 50% compound annual growth rate through 2009. The greatest growth, however, will come from wireless instant messaging, which, driven by corporate users, is expected to increase revenues six-fold between 2007 and 2009. This report includes regional forecasts for individual messaging technology (SMS, MMS and wireless IM) through 2009.