Internet video (online video / cloud-based video) is the general field that deals with the transmission of video over the Internet. Internet video exists in several formats, the most notable being MPEG-4 AVC, AVCHD, FLV, and MP4.
There are several online video hosting services, including YouTube, as well as Vimeo, Twitch, and Youku. In recent years, the platform of internet video has been used to stream live events. As a result of the popularity of online video, notable events like the 2012 U.S. presidential debates have been streamed live on the internet. Additionally, internet video has played an important role in the music industry as a medium to watch music videos and gain popularity for songs.