What is a screencast?

A screencast is a recording of computer screen output, usually containing audio narration typically published as a video file. However, the technology has existed for much longer. Screencasts are typically created to produce software and web application demonstrations. This was mostly done within corporations as a way to facilitate employee training. However, further interest has been sparked through the increased blogging trend, which has eased content publishing. The term was coined by columnist Jon Udell in 2004 in an article he wrote describing the benefits of using the technique as a way to show other users applications he found interesting