Youku is a popular video hosting service based in China, similar to platforms like YouTube. Launched in 2006, it allows users to upload, share, and view videos across various genres, including movies, TV shows, and user-generated content. In 2012, Youku merged with Tudou, another major video site, to strengthen its position in the competitive online video market. The platform offers both free and premium content, catering to a wide audience and contributing to the growth of digital entertainment in China.