Big Brother, so true! Possible alibi's from criminals having their car with the black box taken elsewhere?

Business opportunities:
Caravan hire at airports, railway & bus stations
More car hire at railway & bus stations
Expansion of insurance companies to cover all this hire
Hire of tents/sleeping bags from Festival organisers
Additional marquees for Festival dormitories
Compulsory caravan driving testing/licensing prior to hiring

Interesting comments from all for & against - lots more to come I imagine....