Google Docs - 34 brilliant ideas

I am just starting to experiment with Google docs in my classroom. I am excited by what a collaborative document can do for students learning.
So far the engagement, enjoyment levels and learning have been great. Does anyone else have any other ideas?

Below is a cool doc I found which highlights 34 interesting ways of using Google Docs in your class. Thanks to Tom Barrett - https://docs.google.com/present/view?id=dhn2vcv5_8323t58h3ft