Based on just one picture, technology now exists to pay bills using facial recognition. There's already several software companies with such system and it can assess your gender, race, and even your emotional state too. Face biometrics payment is now recognised as a faster and more secure way to pay than fingerprint or PIN. Finally, a method exists to stop my daughter buying all those shoes using my PIN.
More information:
yakkyofy.com/paying-with-your-face