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.
handheld gps
Hanheld GPS use GPS Signal from a minimum of 3 overhead satellites to obtain a fix which is usually accurate to within 30m. Actual accuracy can be achieved down to 5m but due to US Military intervention accuracy is restricted.