Below are some wonderful presentations on four different topics namely: Digital Portfolio, Cyber bullying, Social Media 101, and The Destruction of Non-linear learning. Besides the insight you will get to learn from them, these presentations are created in such an interactive way that you will definitely enjoy reading them. Of course this is due to the powerful features that Prezi provides to its users and which you, too, can use to create stunning presentations like the ones below. I have included Prezi in my list of the top 5 presentation tools.
3-Social Media 101
4-The Destruction of Non-linear learning