Well you can worry a lot but that won't stop the march to a cashless society, it is coming. Not to mention I am pretty sure the Bible predicted this some time ago.
Disagree. There has been a lot of talk for a long time, but when you get down to the mechanics of implementation, it is virtually impossible without posing great risk to the public.
Personally, I think it is really a dumba$$ thing to do to walk around without $150+ in your pocket. It has gotten me out of difficult circumstances several times.