"ACR doesn't handle app-level data, as in the video streaming example above. Instead, it watches or listens to what you're streaming and uses that information for the TV maker's purposes.

ACR analyzes everything that goes through your TV and looks for giveaways hidden in the audio or video signal. Those digital fingerprints let ACR know what you're watching, no matter which app, service, or media format you're using."

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"Your TV Isn't the Only Thing Tracking You
There are many ways your personal online habits might not be so personal, with tracking and data mining extending beyond your TV.

For even more protection, check out these 10 essential apps for protecting your privacy. Likewise, consider getting a VPN for your computer and other devices."

Related:

A lot of people knew about the above. It's also true that the Chinese panel makers, who make most panels for most of the Brands, are actually able to significantly subsidize their prices.

"The Subsidized Business ModelData as Revenue: Manufacturers like Vizio, Samsung, and TCL use ACR data to generate massive, ongoing profits from ad targeting, often making more money from user data than from the sale of the physical television.

Hidden Costs: The lower purchase price of modern 4K smart TVs is facilitated by this surveillance business model, which turns viewers into products, according to a LinkedIn report.

Data Brokers: Collected information is sold to advertisers and marketers to build detailed consumer profiles.

How to Protect Your Privacy Disable ACR: Look through your TV's settings for terms like "Viewing Data," "Live Plus," or "Automatic Content Recognition" and turn them off."

(more on that in the thread link article on how to disable ACR for different brands)

#4

Yes, but you can't imagine posting anything of any relevance in any sort of a coherent manner.

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For people who can, here's a more complete list of platforms and how to disinfect them.