Prezi is a wonderful presentation tool. It is like a supercharged powerpoint. A little more interesting.
As well as using this as an individual tool, you can also use in groups with each person working on the prezi at the same time from anywhere in the world. You can have up to 10 people working on the prezi. This means in a class you could have groups of students with a computing device. Or you could have groups of 5-6 each working on their own prezi. Lots of ideas!!!