FOAF and Thunderbird

What if FOAF was integrated into Thunderbird with Mozilla Thunderbird Extensions?

I would imagine it would be a nice way to add some extra trust into emailing. No longer would I have to include a document (vCard) with all my email. I can set an email header (X-FOAF) that has the URI to my FOAF file. My identity now lives on the web. My email client should know about and understand it.

Some simple outcomes of FOAF and Thunderbird integration would be: "Who sent me this?", "What is the homepage of the person that sent me this?", "Does anyone else I know know this person?". More nifty features would be automatic PGP key downloading (linked to via FOAF) for the signed/encrypted email I just received.

Time to learn XUL.

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