Too much diversity, however, and you get seemingly random suggestions on the home page, and you stop watching.

NEWYORKER: Streaming Dreams

In the ad serving phase, when your computer requests an advert from the OIX (because a website has included our tag in their page), the browser sends the random number and the categories are used to deliver the targeted ad, not the details of your browsing, or anything about you or your computer.

BBC: Phorm: Your questions answered

My YouTube page no longer looks like a kegger filled with random people doing all varieties of crazy things.

FORBES: YouTube's New Design Wants You To Lean Back