My experience creating an hcard 'me card'

Hi,

I just added hcard to my homepage [1], with a link to
convert it to
vcard uing the Technorati contacts service [2].

I did a little test and confirmed that the contacts service
follows the
fragment identifier in the URL (#me)- which is awesome
because even if I
have multiple hcards on the page, the contacts service will
only decode
the 'me card', which is what I wanted.  Yay!

I also wanted to indicate somehow that this card is the
authoritative
card for my homepage - the simplest way to do this was to
make the url
component of the vcard equal to the homepage url (which is
of course
what you'd expect).

After reading a previous related discussion [3], I played
with using
rel=self to further indicate that this hcard is
authoritative, but by
the definition of rel=self, this usage would only be correct
if the url
also contained the fragment pointing to the hcard.  But if I
make my
vcard url contain a fragment, then people clicking this link
would be
partially scrolled down the page when arriving.  Really,
rel=self
indicates more the canonical location of the hcard itself,
rather than
the fact that it is authoritative for the page.

Given that, I think that having an hcard contain a url equal
to the
homepage URL is good enough - if I just gave someone my
homepage URL,
they could deduce which hcard on the page is authoritative
for that URL,
because it contains a link to that URL.

However, if I gave someone a link to one of my blog entries,
it would be
harder for them to know that this card was authoritative for
that entry
- but I don't have as much of a problem with that.

Just thought that I would share this experience - I haven't
seen
discussion around indicating that an hcard is authoritative
for a
webpage via this simple method, so I thought people might
find it
interesting.

My only sticky point now is sharing my photo - the
Technorati contacts
service doesn't fetch the hcard photo, and neither does my
mac's Address
Book.app.  Fetching the photo and inlining it in the vcard,
albeit to
compensate for the limitations of desktop apps, would be a
nice feature
for an hcard-to-vcard service.

Cheers,
Keith

[1] http://nearlyfree.or
g/blog/keith

[2] http://feeds.technorati.com/
contacts/http%3A%2F%2Fnearlyfree.org%2Fblog%2Fkeith%23me

[3] http://microformats.org/wiki/hcard-issu
es#Canonical.2FAuthoritative_Hcard
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My experience creating an hcard 'me card'

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