Multimedia Message Service (MMS) is the mobile industry's successor to SMS. MMS goes beyond texting to support pictures and graphics, voice messages and video clips sent as messages. Unfortunately MMS was a technology design not a service design. It can support a variety of services but the specific services are not standardized and thus not widely adopted.
Of course the much simpler Short Message Service (SMS) also took a while to be adopted, but MMS services are more diverse and they have a shorter window of opportunity. Now there are signs that window is about to close.
A few weeks ago MobileIN asked me for an article on this subject which I wrote last Friday while flying back from AstriCon. My article has been published so click through for the details.