The term webinar is short for Web-based Seminar, a presentation, lecture, workshop or seminar that is transmitted over the Web to an audience through specific web-based software. Through a webinar, one can give a presentation with a full range of internet technologies at one's disposal that enables   delivery of multiple types of media between an audience and presenter with the aid of a technician. Voice over Internet and text-chat is provided to allow for multiple ways to communicate between audience participants. A whiteboard with power point presentation software allows one to give slide presentations, and guided website tours will be possible to show various online content to audience members. Live video will also be presented when needed to show various things. These presentations will usually range from one to two hours with intermission for longer presentations, and might have up to 100 people or more participating.