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Own a Roku TV or streaming device? You're about to see a lot more ads on your home screen
(www.techradar.com)
This is a most excellent place for technology news and articles.
Similar to what Google does with some Chromebook devices. They don't respect router DNS settings. So if I wanted to block YouTube on my kids machines I had to create a black hole on my router to send all requests from 8.8.8.8 and then and only then would the Chromebook use my adguard DNS.