A lot of this stuff is actually being used to track which ads are being watched. Apps definitely aren't reporting those.
Like all data collection you can bet that the data our smart TVs and devices take from us is (or one day will be) used for a lot more than just ads.
alt Hacker News
Like all data collection you can bet that the data our smart TVs and devices take from us is (or one day will be) used for a lot more than just ads.