Which of the following is an online presentation that people can view live,or download to view later?

A) Twebinar
B) Screencast
C) Video conference
D) Prezi
E) Webcast

Twebinar

A webinar held over Twitter, where participants engage through tweets, often focusing on a specific topic or theme.

Screencast

A digital recording of a computer screen's output, often with audio narration, used for demonstrations, instructions, or presentations.

Webcast

A media presentation distributed over the Internet using streaming technology, allowing live or on-demand access to video or audio content.