On October 29, 1996, the San Francisco-based nonprofit Internet Archive began crawling and archiving the World Wide Web for the first time. Founders, Brewster Kahle and Bruce Gilliat invented a system for taking snapshots of web pages before they vanished and archiving them for future viewing.  In 2001, the project was made accessible to the public through the Wayback Machine. At the time, the World Wide Web (WWW) was estimated between 1 to 10 terabytes in size. In 1996, they didn’t know who fast the WWW was growing or be able to predict how large it would become. – WATCH

Today the Internet Archive’s Wayback Machine is continuing to preserve important historical information both in web page captures, but also searchable screen captures of books, including historic medical journals, but also it is possible, at times, to recover videos which YouTube continuously delete. [1]