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.
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 ...
Hallmark Cards. has filed a patent for methods and systems that involve associating a unique identifier with a digital presentation, which is linked to a tangible object. The patent includes receiving ...