101 Web 2.0 tools for teachers and another 100 just for good measure!

I'm just starting to wade through this list. Most I have heard of, but  there are many here that I have not actually explored. Good list with descriptions. http://www.goedonline.com/101-web-tools-for-teachers

And if that isn't enough to go through,  C4LP (The Centre for Learning & Performance Technologies) has its list of top 100 tools for learning: http://c4lpt.co.uk/top-100-tools-for-learning-2011/