And it won't take long before this advertising 'channel' becomes saturated. How many spam SMSs /MMSs will it take before you are climbing the walls and demanding a complete opt out?
Companies must be extremely careful with this advertising route. Consumers are voting with their PVRs and internet browser plugins (Spamblock etc), and are telling companies that they do not wish to be advertised at.
Who enjoys receiving sales phone calls at home in the evening? I don't want them on my cell phone either.
Any company engaging in this kind of activity is almost always taken off my list of places I will buy from.