Slideshare.net's 'World's Best Presentation 2010' contest recently concluded and here are the top presentations in the winners as well as individual categories.
(Also check out 'Top Presentations from the 2009 Contest')
#1. 1st Prize: SMOKE - The Convenient Truth
#2. 2nd Prize: You Suck at Powerpoint!
#3. 3rd Prize: Social Media For Business
#4. NPO/Govt: Stopping the Bite
#5. About Me: Hi, I am Bo!
#6. Technology: QWERTY Monsters
#7. Business: Tips on how to pitch
#8. Off Beat/Creative: The Best Question in the World