If no two thumbprints are exactly alike, then is it possible to ditch the paper forms of IDs like your drivers license or passport and just use machines that scan your thumbprint or full hand?

What about holding your credit card information all on your thumbprint? If you wanted to buy something off Amazon, all you'd need to do is hold your thumb down on the keypad of your laptop in order to download your credit card information and verify your identification.

The police would easily download your information if you were in an emergency or got pulled over. Credit card fraud would eliminated. Establishments that sell alcohol would know for sure if you're of legal age

No more keeping track of multiple credit cards and IDs. You're whole life could exist right at your fingertips. The possibilities are intriguing and also very scary...