These TVs can capture and identify 7,200 images per hour, or approximately two every second. The data is then used for content recommendations and ad targeting, which is a huge business; advertisers spent an estimated $18.6 billion on smart TV ads in 2022, according to market research firm eMarketer.
I had read a story once that if I recall correctly, one manufacturer would send the signal back thru the coax cable to the cable box just in case to make sure your data was captured somehow.