Google collects enough information even without Chrome, and very much so without you signing in. I know because I use only Firefox or iOS. And then even if I ne

Google collects enough information even without Chrome, and very much so without you signing in. I know because I use only Firefox or iOS. And then even if I never watch youtube logged in, youtube videos that I once watched "follow" me even to the other, new computers or locations. I'm sure about that because it's very exact songs, very exact groups etc.