narrative+history+pictures+encyclopedia; "safe, fast and fun way to learn the real story behind historic events, famous people, heroic exploits, legends, disasters, movies, plus topics of current and general interest"
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.
useful for teachers making clips to analyze in class; "personalize any video with your story. With visual spotlights, you can narrate your personal videos, add captions or subtitles, or comment on any scene."
how to create hotspots with popup notes on Flickr. Very useful for image analysis and assignment requiring students to comment on social aspects or formal aspects of image; or to formally critique them.
publicly available courseware (lecture notes, handouts, slides, tutorial material, exam questions, quizzes, videos, demonstrations etc) from the world's universities, colleges and other educational institutes; other educational resources
many of the past issues were on thematic concerns; ever of greater importance in academic and knowledge communities is the how-to of electronic publishing