Obviously the biggest abuse would be someone "borrowing" your phone and opting you in without your knowledge. That's actually more frightening than losing your

Obviously the biggest abuse would be someone "borrowing" your phone and opting you in without your knowledge. That's actually more frightening than losing your phone because you would never know, and it adds another incentive to locking your phone. Like other "agnostic" technological advances that can be used for good or evil, I think it would be misguided and useless to fight this technology, but I hope equal advances are made to prevent unwitting "opt-ins".