Does an identity have to be unique? I think we’ll get little argument if we claim that, within a given context, an identity (that is, some distinguishable object) must have a unique identifier.

The health IT world is stumping for a unique patient identifier for every U.S. citizen following signs from Congress that it's open to the idea. UPIs are distinct numbers, codes or data comparable to ...

If you are worried about your privacy online and being tracked by big corporations you might be interested in more about Browser Fingerprinting. A tracking method that collects detailed information ...

Does every RFID tag have a unique ID number? Suppose person X scans his or her RFID tag at location 1, while person Y does the same at location 2. If this scanning process is recorded in a database ...