Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
www.picciotto.org
Articles on mathematics curriculum and pedagogy by Henri Picciotto, a math teacher, curriculum developer, and consultant. Many sample activities, with an emphasis on manipulative and technological tools.