They really haven't thought this one through, have they. I look forward to my PAYG SIM being remotely disabled until I register. Along with the 40m other PAYG customers. End result. 20m registered. 10m presumed lost. Leaving 10m false positives.

Next stop. No installing or downloading Skype without registering at your local police station with 2 forms of photo ID. Oh. Wait. That would just be silly, right?