Google is making it even easier for developers wishing to implement OpenID with the OAuth. Google has announced that developers can now utilize a "Hybrid Protocol" that combines the OpenID federated login with the OAuth authorization process. The new OpenID OAuth extension makes it easier for developers to implement OAuth through initial authentication using OpenID. According to Yariv Adan on the Google Data APIs Blog:
Salesforce has introduced a new Apex Metadata API for Force.com to help developers build self-configuring applications, upgrade scripts, and custom set-up user interfaces. The API allows applications to enable capabilities such as retrieve metadata synchronously and set up a callback on completion.