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.
security chain
A oor chain, security chain, or security door chain is a small chain on a door for security purposes. It is a type of lock that is often used along with other types of locks to secure a door.