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.
wild card
The term wil card was originally used in card games, but the term has evolved to describe what the Merriam-Webster Dictionary calls "an unknown or unpredictable factor" in any number of domains.
Trivia about wild card
An unpredictable element, or a team that makes the playoffs without winning its division