Brian Ellin of JanRain wrote up an awesome app running on AppEngine over the past week which lets you browse the web and " Demand OpenID ". Really simple site which shows a running tally of the top sites (currently Twitter and Flickr) where people want to be able to login with OpenID. It includes a dead simple bookmarklet for you to add your demand as you're browsing around. Marshall over on ReadWriteWeb wrote about it as well; Demand.OpenID.net: A One Click Call to Action . Read More...