http://netvouz.com/url/b09069e76061843907b14f9b2d9376bf?feed=rss Info about a link http://www.boolify.org/ Boolify makes it easier to for students to understand their web search by illustrating the logic of their search, and by showing them how each change to their search instantly changes their results. alanpoon Fri, 25 Apr 2008 14:58:41 GMT