The trouble is, it is not clear that these identity-verification systems are worth the cost and trouble of introducing them.

ECONOMIST: BIOMETRICS

This proposal threatens to become the latest in a long line of expensive verification systems that fail a basic cost-benefit analysis and threaten to drown Americans in bureaucracy at every stage of their lives.

FORBES: Ending Birthright Citizenship Would Be Costly for Americans

He said there must be "scientific verification" of the systems that food retailers' use to audit their supply chain.

BBC: Burgers

This leads to the fact that if a copy is correct, security systems based on object ID verification are not capable of distinguishing between the two.

FORBES: Cyber Security Fails As 3.6 Million Social Security Numbers Breached In South Carolina

Tsunami warning centres and regional tsunami warning systems build on existing detection, verification and communication networks such as international seismic and sea level networks.

UNESCO: NATURAL SCIENCES

On regulation facing collaborative consumption companies, Shelby Clark, founder of RelayRides, said reputation systems in sharing economy can help with trust, verification of identities and other goals of regulation.

FORBES: Sharing Economy Provides Extra Cash And Creative Expression - SXSW