The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the Wayback Machine.
Katie Schwartz is a comedy writer and non-fiction essayist, among other literary loves. She is a contributing writer for Zouch Magazine and Mock Paper Scissors. To read more, hit http://katieschwartz.com/bio