How biometrics could replace your entire wallet

What if you never had to pull out an ID card at the airport, at the doctor's office, or even at the voting poll? Here's how biometric IDs could replace wallets, passwords, keys and tickets.

Source: http://www.marketwatch.com/video/sectorwatch/how-biometrics-could-replace-your-entire-wallet/B51BB730-1E18-42B4-83AF-14093209F11D.html