Uh oh - and then one day x million iphone users texted each other photos of their dogs/babies, and western civilisation crashed and needed a restart. Arf. Waah.

Oh, and if you're jailbroken, iRealSMS v3 (which should be out sometime in the next couple of weeks) is the Better Mousetrap of SMS/MMS compared to the OS' Messages app (speaking as one of those smug foreigners who've had MMS right from the start cool).
If it's brokenless, don't suffix it...