[_coldfire]

Done by a government with proper legal oversight it certainly has its place and easily will be a net positive for society. Though lawmakers seem to be oblivious to tech advances moving far quicker than they can, don't hold much hope they can keep up.

Used by corporations it will be frustrating and take privacy intrusions to the next level. In the end though, democracies will survive fine.

The real issue is tyrannical regimes getting their hands on facial recognition, it's a terrifying prospect and likely to be used with great effect.