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.
control
Control is use in a variety of contexts to express "mastery" or "proficiency": e.g. "Music students attending a master class are expected to have full control of basic skills such as rhythm and pitch".