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HDMI is heavily used for ACR (automatic content recognition) in smart TVs:

"Our findings indicate that (1) ACR operates even when it is used as a “dumb” display via HDMI"

"For both LG (a) and Samsung (b)TVs, the scenarios with the highest ACR traffic are Linear and HDMI."

* https://dl.acm.org/doi/epdf/10.1145/3646547.3689013



Sure, but what can it do without a network?


It can store the data until it connects to one, though that's not going to be as useful for anyone selling it. Real-time auctions are where the money is, from what I understand.


Maybe if it can start colluding with my other devices over HDMI!




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