I’m developing an API, and Flickr is definitely my model.
(Seen at Opening Yahoo! to User and Developers from the Future of Web Apps Conference held in London.)
Good move, Yahoo! From today, we shouldn’t allow any website to force us create an username and password during a registration process.
By the way, if you’re involved in the development of a website, I strongly recommend you to go for Drupal. Among many other reasons, OpenID support is included in the core. And the new version 6 is just around the corner!