The winners of Slideshare's "World's Best Presentation" competition have been announced and some of them are truly amazing, not to mention thought provoking. The overall winning entry is called THIRST (it is also the Education category winner) and highlights the water crisis on our planet. There are winners in a variety of categories and also honourable mentions. Here's one of my favourites, as well as the winning entry:
Check out the results page here.