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.
Web wide crawl with initial seedlist and crawler configuration from October 2010
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20110106224043/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/desktop
Desktop is the term used to describe your computer's first screen that contains your icons. Many people put frequently used programs and files on their desktop, much like a real desktop so they have easy access to them.