Stuck on Fashion
Issuers of the now-defunct Bling Nation's payment-capable stickers could choose from a variety of colors. Some chose solid colors to show affinity for local sports teams; others chose camouflage
to show support for local troops.
Cash with Cachet
The U.S. government has been giving its money a makeover since 2003. Though the pictured presidents may like their new look, the designs were chosen primarily to deter counterfeiters. (Image: ThinkStock)
Biometric payment systems like Pay by Touch never found a wide audience
. Perhaps it was a fashion problem cash doesn't require shoppers to take off their gloves.(Image: ThinkStock)