again, I am fascinated by lists of bests, especially as related to literature; they comprise both an ideology of the canon and a sociology of popular tastes, a la Bourdieu; in an extended form, they comprise much of amazon.com
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.
a large socially committed ejournal, edited by Pedro Meyer, one of the pioneers in digital photographic art; galleries, essays, investigations into image circulation and production within digital communication, especially the Internet