"Time-lapse photography allows us to easily see the movements of plants and clearly demonstrates that plants are living organisms capable of some extraordinary things." various phases of plant life, both on cellular and external level
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.
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