YouTube is a popular video-sharing platform where users can upload, share, and view videos. It was created in 2005 by three former PayPal employees: Chad Hurley, Steve Chen, and Jawed Karim (YouTube). The site allows users to upload, view, rate, share, and comment on videos. It also provides a revenue-sharing program through Google's AdSense, allowing content creators to earn money from the ads that appear on their videos (YouTube Creators). As of 2021, YouTube is the second-largest search engine and the third-most visited site on the web (Statista).