My friend Andrew Black asked a question which has been on my mind for years, on the back burner.
He asked me about locality: how do you localize services such as
My answer is multicast groups, but multicast has problems of its own:-)
FLICKR does this quite well, with tags and groups, methinks... but that is with a lot of work.
By locale, I don't mean just geographic locality. Social networks have notions of who is in your neighbourhood, who likes what you like.... don't they?
And best wishes for Beltane.