"Using Vokle you can host a live conference in which participants can chat with text while you broadcast yourself. You can also broadcast a conversation of yourself and another person who has their webcam enabled... I can see Vokle being used in a classroom to bring in an author, scientist, or other person of interest to your content area."
Collaborative multimedia presentations enable small groups like teaching teams to work together to:
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present knowledge in different and (if you do it right) compelling ways
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engage active participation by the entire class instead of broadcasting to it like a passive audience