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.
fitness ball
An exercise ball, also known as a Swiss ball, is a ball constructe of elastic soft PVC with a diameter of around 35 to 85 cm (14 to 34 inches). It is used in physical therapy and exercise.