Both it seems: "The most prevalent tracker, Google's doubleclick.net, showed up in 975 of the top 1,000 Roku channels, with Google analytics trackers showing u

Both it seems: "The most prevalent tracker, Google's doubleclick.net, showed up in 975 of the top 1,000 Roku channels, with Google analytics trackers showing up in 360, the researchers found." - https://arstechnica.com/tech-policy/2019/09/studies-google-netflix-and-others-are-watching-how-you-watch-your-tv/ https://arstechnica.com/tech-policy/2019/09/studies-google-n...