Is this even possible?
Apparently you write the word on a piece of paper, and then the pen displays the article from a memory dump containing the top 100,000 English Wikipedia articles.
It's very cheap, too, so it would make a neat novelty gift to the Wikipedian who already has the mugs and t-shirts.
http://www.livescribe.com/store/20070723002/wikipedia-en/p-545.htm