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.
Agax
An expandable free Mac antivirus program by John Dalgliesh. It offers both standard virus-scanning facilities and more advanced background protection, so you don't get infected in the first place.