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/20110106202338/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/rtf
RTF (Rich Text Format) is a Microsoft developed standard that is used in the creation of formatted text files. It will contain information like text size and style and as it is universal it can be read by the majority of word processors.