Microsoft MIX07: Enable Windows CardSpace and Information Cards in Your Web Site
Do you want to get started with Windows CardSpace, but don't know where to start? CardSpace simplifies and strengthens the authentication experience on the Internet. Whether your Web site runs on ASP.NET, PHP, Java or whatever, you can learn the simple, step-by-step approach to integrating support for information cards in your Web site, with support for Microsoft Internet Explorer 7.0 and FireFox.