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.
loose cannon
The expression "loose cannon" or "loose cannon on eck" refers to an irresponsible and reckless individual whose behaviour (either intended or unintended) endangers the group he or she belongs to.