We already know that spam is a huge downside of online life. If we're going to be spammed on our telephones wherever we go, I think we're going to reject these devices.
It used to be that if your automobile broke, the teenager down the street with the wrench could fix it. Now you have to have sophisticated equipment that can deal with microchips. We're entering a world in which the complexity of the devices and the system of interconnecting devices is beyond our capability to easily understand.