YouTube’s recommendation engine, or recommendation algorithm, is intended to keep you on the site watching videos for as long as possible so they can earn advertising revenue. But the content that keeps you on the platform isn’t always factually correct, and videos that are fun to share may not always convey a message worth spreading.

Guillaume Chaslot explains more about filter bubbles, and why YouTube sometimes recommends conspiracy theories.

Featured in this video, their.tube is a project from Mozilla Creative Media awardee Tomo Kihara. Visit http://www.their.tube to learn more about recommendation algorithms and how they can trap you in a bubble.