rel-me

rel="me"

XFN 1.1 introduced the "me" rel value which is used to indicate profile equivalence and for identity-consolidation.

rel="me" is used on hyperlinks from one page about a person to other pages about that same person.

For example, Tantek's Pownce profile (http://pownce.com/t/) has:

<a href="http://twitter.com/t" rel="me">Twitter Profile</a>

Publishers can use the XFN creator (http://gmpg.org/xfn/creator) form to create rel-me hyperlinks.

Watch some short videos:

David Recordon's excellent *30 second* explanation of XFN rel="me" (http://www.sixapart.com/static_news/opening_social_graph/xfn_links/xfn_links.html).
Brad Fitzpatrick explain rel="me" and more XFN (http://www.youtube.com/watch?v=LabCylbapuM).
Joseph Smarr's whiteboard explanation (http://www.podtech.net/scobleshow/technology/1611/plaxo-to-ship-online-identity-aggregator-based-on-microformats) of rel="me" as implemented in the Plaxo online identity aggregator.

Longer:

Gavin Bell on "What is your provenance?" (http://video.google.com/videoplay?docid=-8663100900373306094) (40 minutes) - provides a much broader discussion of the problem statement of who is a person on the Web, and starting at about 0:07:30 explains how hCard + rel="me" helps solve this problem.

A simple data portability project or is it (http://ungeekdapo.wordpress.com/2008/04/29/a-simple-data-portability-project-or-is-it/) rel=me summary by Bob Ngu