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.
first language
A first language (also mother tongue, native language, arterial language, or L1) is the language a human being learns from birth. A person's first language is a basis for sociolinguistic ientity.