One of the big topics at Educause this year was Cloud Computing. If you are not familiar with the term, this is a great video to introduce the concept.
Educuase recently published “7 Things You Should Know About Cloud Computing” as part of their ongoing series to help educators better understand the subject.
Get Your Head in the Cloud! Cloud Computing and Open Source Tools for Teachers is also a great resource for teachers. It shows the possibilities for creating a Next-Generation Learning Environment using Open Source Applications in the Cloud.