Add it to your XRDS file:
http://portablecontacts.net/draft-spec.html#discovery
or check out the Plaxo info:
https://www.plaxo.com/api/portablecontacts
Cheers,
Chris
Chris said earlier:
> Hi. Syncing contacts should be done outside the axschema domain. Maybe
> you can take a look a portable contacts? http://portablecontacts.net/
>
> 2009/9/16 Chris Obdam <chris...@gmail.com>
> From: cpucpu <bicodes...@gmail.com>
> Date: Jul 17, 6:31 pm
> Subject: intent to define: Contacts List
> To: axschema