The site poses problems in lateral or logical thinking, from easy to hard, with both hints and answers. Great party conversation and something kids will like.
how-to videos or, more commonly, audio/slideshows; useful rhetorically for both technical writing and instructional video learning; web2.0 sharing of video that is perhaps instructionally more useful than YouTube.
interactive demonstrations of Conducting Electronic Searches; useful both for the information contained and as a demo of web design and writing instructional media in a library context; the larger site is a resource for writers.