youtube YouTube is a video-sharing website on which users can upload, share, and view videos, created by three former PayPal employees in February 2005. YouTube is a video-sharing website on which users can upload, share, and view videos, created by three former PayPal employees in February 2005. (Excerpt from Wikipedia article: YouTube) 56 115 3.3 10.4 12 124.8 http://www.ariadne.ac.uk/sites/all/datacharts/hc/7907-chart-wp.html