Great news.com commentary piece on WP, humorous and serious at the same time:
http://news.com.com/Teens+warning+on+the+gospel+of+Wikipedia/2010-1038_3-610...
From the article:
"Of course, for students, Wikipedia is the miracle cure for procrastination (and there's science to back that up; a recent poll showed that nine out of 10 doctors suggested Wikipedia as a cure to putting homework off. The other 10 percent were too busy uploading spurious entries to participate in the poll)."