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.
copy machine
This article is part of the series on the History of printing
Trivia about copy machine
A holder of 49 patents, Beulah Henry invented one of these to duplicate documents long before Xerox