Purple Slurple
http://www.purpleslurple.net/
"PurpleSlurple is a transcoding service that reformats Web pages on-the-fly to create granular addressability in document elements on EXISTING Web pages.
PurpleSlurple transcodes Web pages by inserting anchor tags, which appear as Purple Numbers, at each structural tag, that occurs on the page, thus making each element addressable via its named anchor.
PurpleSlurple is AVAILABLE TODAY for the MILLIONS OF DOCUMENTS that don't have granular addressability."
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MartinCleaver - 02 Dec 2004