Combined do-not-contact lists? (Score 2, Interesting)

Maybe it's time to simply class all the different types of spam (email, telemarketing, SMS, junk mail, FAX) together? - i.e simply have "do not contact" lists rather than different ones for each technology, so when the varblethrumpulator(TM) is invented we don't have to battle for new laws to specifically stop spamming arriving over it...