Tricool # 3

  1. OpenCourseWare - get access to material of all programs offered at MIT. Considering that you literally get world-renowned professors' notes, FREE, this is cool.

  2. Thinkgeek - the place where you can buy (or just view i.e. 'windowshop') all sorts of handy and not-so-handy cool geeky gadgets.

  3. Bored? If you are, this great site is just what you need. Go ahead, kill some time.