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/20110107050324/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/widget
Widgets are small programs that are used on the Yahoo! Widget Engine. They are also used on the Mac OS X Dashboard. As Dashboard and Yahoo are not compatible with one another separate similar widgets must be created for every widget engine.