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.
"descriptive list which was created by Georges Polti to categorize every dramatic situation which might occur in a story or performance"; tips for screenwriters looking for ideas
"Kate Bornstein in a slide show version of "The Voice Lesson," a trans-positive, feminist, funny look at how women are expected to talk." Makes good use of audio as unique medium for exposition of this content. Example of how audio slide show works.