"To put this in perspective, the entire archived contents of the Internet fill just three petabytes." This is categorically false. While the "Internet Archive"

"To put this in perspective, the entire archived contents of the Internet fill just three petabytes." This is categorically false. While the "Internet Archive" currently has the capacity of 4.5 petabytes, the sheer amount of data available on the http protocol is more likely in exabytes (especially once you take into consideration high-capacity services like youtube, bittorrent, and other file sharing protocols).