Talkin of reminders, here's one to highlight the extent to which the police stand to benefit from proposed identification schemes. Cards are still on the starting stretch, but the networks exist already to implement much of what people fear about an ID system:
Police to use roadside fingerprint technology if SOCA Bill is passed
"Suspects without sufficient identification will have to place their finger on the electronic device, which will link to records kept on the National Automated Fingerprint Identification System."
Exercise for the reader: Define "suspect".