Great widget for class blogs

Have just found out about this great tool which can be added to class blogs. Any student surfing the blog, when encountering a word they don't understand can double-click on the word and get a definition. I found it fantastic. Try it out. Click on any word in this blog and see what happens.

Answers.com - AnswerTips via kwout

Now, how can you add that to your blog?

1. go to http://www.answers.com/main/answertips.jsp
2. choose a widget for your blog.
3. copy the embed code.
4. Publish it in a post or on the sidebar.