OpenID for Non-SuperUsers

By Stephen Downes - Stephen's Web. OpenID for Non-SuperUsers
I've been skipping more links on OpenID than I've been passing along - there has been a proliferation of them recently. But this item is a good moderately techie description of OpenID, with example, and enough links to let you dive in, look at actual PHP code (ugh! spaghetti) and find out about HTTP digest authentication. Whew. More...