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.
past perfect
The pluperfect tense (from Latin plus quam perfectum more than perfect), also calle past perfect in English, is a perfective tense that exists in most Indo-European languages, used to refer to an event that has completed before another past action.