Thus, by means of webcast, video libraries can be searched from any location via the Internet and the corresponding videos can be played directly. With real-time video, participants are directly and interactively involved in the live broadcast. They can ask questions or answer questions posed.
Webcast is the distribution of streaming media over the Internet. It can support e-learning, web-based training(WBT) and webinars as well as electronic presentations, video or web conferences.