At checkout, more ways to avoid handling cash or plastic - NYTimes.com

For almost as long as Americans have been hearing about jetpacks and picturephones, they have been hearing that money — bills, coins and plastic cards — might cease to exist, or at least become a novelty.

Instead of leather wallets, consumers could, sooner than they think, carry virtual wallets, with their credit card and bank information stored on remote computers that are accessible everywhere and anytime. They could use them whenever they want to buy something, whether on the Web, on cellphones or at cash registers...