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.
tuff
Tuff (from the Italian "tufo") is a type of rock consisting of consoliated volcanic ash ejected from vents during a volcanic eruption. (Note that tuff is a type of rock entirely different from tufa.)