"Did you know that whenever you turn on your smart TV, you invite an unseen guest to watch it with you? These days, most popular TV models utilize automatic content recognition (ACR), a form of ad surveillance technology that gathers information about everything you watch and transmits it to a centralized database. Manufacturers then use your data to identify your viewing preferences, enabling them to deliver highly targeted ads."
"To understand how ACR works, imagine a constant, real-time Shazam-like service running in the background while your TV is on. It identifies content displayed on your screen, including programs from cable TV boxes, streaming services, or gaming consoles. ACR does this by capturing continuous screenshots and cross-referencing them with a vast database of media content and advertisements. According to , ACR can capture and identify up to 7,200 images per hour, or approximately two images every second."
Most popular smart TVs run automatic content recognition (ACR) that continuously captures screen images and identifies displayed content. ACR matches screenshots to a large media database and can capture up to 7,200 images per hour, roughly two images per second. Manufacturers and advertisers combine viewing data with personal identifiers such as email addresses, IP addresses, and physical addresses to build viewer profiles. Advertisers use these profiles to deliver highly targeted ads and make content recommendations. Smart TV advertising generated about $18.6 billion in 2022 and continues to grow. Disabling ACR can reduce tracking but often requires effort.
Read at ZDNET
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