Web 2.0-savvy teachers testing old assumptions

(CNN) — Teachers are often portrayed as being clueless about technology, but ever more of them are putting that stereotype to the test.

Clicked on to the classroom: Teachers are using Web 2.0 to broaden their lessons and find new ways to teach.

Web 2.0 technologies in particular have found a receptive audience among educators. Many use blogs to share ideas on teaching and technology, some of which might surprise students.