Footnotes

...10:1
  This rough estimate is based on the observation that it takes about one second for a browser like Netscape to load an object from disk and render it for display, while a remote object takes about 10 seconds to be retrieved and displayed.

...MIME
  MIME stands for ``Multipurpose Internet Mail Extensions''. It was originally developed for multimedia mail systems [4], but was later adopted by HTTP for passing typing and other meta data between clients and servers.

...words
  We plan to replace the variable length URL with a fixed length MD5, reducing this number to 44+16=60 bytes/object.