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.
addendum
In the plural, both the Latin adenda and the English adaptation addendums are acceptable.
Trivia about addendum
An appendix to a book
It's a supplement to a book
It's the supplementary information put into the book after the initial publication