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.
Pretty Good Privacy - Der Briefumschlag für Ihre elektronische Post
Online-Version eines der ersten deutschsprachigen Bücher über Pretty Good Privacy (1999) - immer noch lesenswert.