Earlier quoted context omitted.
On non-incognito I get a page full of 6 second twitch clips. On incognito I get a page full of 6 second soccer clips and Turkish music videos (I live in a partly Turkish-speaking country, in my whole life I have never clicked on a single Turkish video) Fingerprinting is used almost exclusively for anti-spam/anti-fraud. If a company wanted to use it for anything else they'd have to deal with a whole bunch of legal and…
Since Youtube fingerprints your device with WebGL[0], it builds a shadow profile tied to that device, so that even in incognito/private sessions, you will get recommended videos that you recently watched, despite the anecdotal claims of others that they don't encounter this. The only way to defeat that is to use an entirely separate device on a separate network that has a different fingerprint. [0] https://jonatron.g…
An experiment by me, I went into incognito mode and none of the recommended was what I usually get. I then fully watched a video that was recommended to me on my main account, and even after that, youtube failed to recognize me, instead, it only proceeded to recommend videos specifically in the category of the one video I had watched.