The WURFL is a Device Description Repository (DDR), or framework that enables applications to map HTTP requests to a description of the capability of the mobile device that requests the page. This framework is written in Java.
Yahoo! has announced the rollout of some limited tests for OpenID's Simple Registration specification. If you're not familiar with OpenID, it's an innovative way for handling user authentication that provides a free and easy way to use a single digital identity across the Internet.