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.
Esco Institute
Offers online training and conducts testing for HVAC, refrigeration, and automobile air conditioning technicians, including U.S. EPA certification requirements for handling coolants. Also publishes training manuals.