RPX allows your site or blog to accept logins via Facebook Connect, Google, Yahoo, Twitter, MySpaceID, AOL, Windows Live ID, and all other OpenID providers, through the use of a single and easy to deploy API. With the RPX wordpress plugin, your site or blog benefits from:

• Increased user registrations and social engagement.
• Adds passwordless sign-in and commenting to your blog using OpenID, Google, Yahoo!, Facebook, MySpace, Windows Live ID, and Twitter.
• Create new accounts without registering and maintaining a password.
• Easy to configure with no template modifications requried.
• Verified identity and provider icons for blog commenters.