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.codesandciphers.org.uk
Explains how the device enciphers letters, background history, components of the machine, and military adaptation by the Germans. Also, includes information about Turing and Polish mathematicians contribution in breaking the code.