id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-2673 Wayback Machine - Wikipedia .html text/html 7106 883 70 Internet Archive founders Brewster Kahle and Bruce Gilliat launched the Wayback Machine in 2001 to address the problem of website content vanishing whenever it gets changed or shut down.[3] The service enables users to see archived versions of web pages across time, which the archive calls a "three dimensional index".[4] Kahle and Gilliat created the machine hoping to archive the entire Internet and provide "universal access to all knowledge."[5] The Internet Archive migrated its customized storage architecture to Sun Open Storage in 2009, and hosts a new data center in a Sun Modular Datacenter on Sun Microsystems' California campus.[22] As of 2009[update], the Wayback Machine contained approximately three petabytes of data and was growing at a rate of 100 terabytes each month.[23] ./cache/en-wikipedia-org-2673.html ./txt/en-wikipedia-org-2673.txt