From an article linked in the OP <a href="https://www.flatpanelshd.com/news.php?subaction=showfull&id=1730444985" rel="nofollow">https://www.flatpanelshd.com/news.php?subaction=showfull&id=...</a><p>> Smart TVs constantly send large amounts of data about what you watch to the servers. LG captures a screenshot of your TV every 10ms (100 times per second), while Samsung does so every 500ms (twice per second).