YouTube is a popular online video-sharing platform founded in 2005, allowing users to upload, share, and view a vast array of videos across various genres, including entertainment, education, music, and vlogs. As a subsidiary of Google, YouTube hosts billions of videos, making it one of the largest video platforms globally, with millions of content creators and channels. Users can engage with content through likes, comments, and subscriptions, while creators can monetize their videos through ads, sponsorships, and memberships.