Paper Money Diehards Refuse to Fold
wsj.com
wsj.com
Not expecting every shop to take cash, but the essentials should be available with paper money.
Without cash you are also a completely transparent consumer. This is data people will at some point demand access to. Better to keep that data as clean as possible.
Cash the reason why we did not get negative interest charges as well. I pay most of my stuff with plastic, but think cash is a very good idea.