Personally, I think the belief that we will all have smart phones and feel comfortable enough using them for anything that comes up is wildly optimistic and perhaps even a bit dangerous. that would be the proverbial straw that would bring the downfall of the technology haves and have nots.
Don't think that it is just restaurants where your card gets striped. Yes that is a very common place, but there are also many ways thieves can get the info right off of your card right from the machine.
http://www.orlandosentinel.com/busin...423-story.html