Screen Casting

I think screen casting it a program that people use to record demonstrations of things and put them on the web so other people can figure out how to do a certain task. I don't think I really liked recording it just I don't like to talk to a computer. They are really helpful just because, if i'm having a problem I can go to youtube type in my problem and a video would pop up showing you how to work around your problem. Screen casts are most helpful to people that are having a problem