Does opting out of TV tracking work?

TVs use automatic content recognition to gather viewing information about us, and opting out doesn’t always stop it. | Photo: John Higgins / The Verge The fact our TVs are gathering our information isn't new, but what and how they're tracking - and if we can stop it - is hard to figure out. Researchers at Northeastern University monitored 12 TVs from 10 manufacturers to test whether opting out of…