The group is calling for the companies to end the practice.
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But the tech is fraught with risks.

The software is also notoriously prone tobiases and errors.
When it fails, the consequences can be devastating.
Story byThomas Macaulay
Thomas is the managing editor of TNW.

He leads our coverage of European tech and oversees our talented team of writers.
Away from work, he e(show all)Thomas is the managing editor of TNW.
He leads our coverage of European tech and oversees our talented team of writers.
Away from work, he enjoys playing chess (badly) and the guitar (even worse).