s.a. TED.com Blaise Aguera y Arcas; "[P.] takes a large collection of photos of a place or an object, analyzes them for similarities, and then displays the photos in a reconstructed three-dimensional space, showing you how each one relates to the next"
"Worldprocessor is an ongoing project that started in 1988. Globes reflect data available and valid at the time of their origin. Currently there are over 300 different globes."
"...an open source software application designed to significantly reduce the amount of spam (Internet junk-mail) you receive." whitelists, blacklists, challenge/response, tagged addresses, ...