OpenID vs Facebook Connect vs FriendConnect

The document compares OpenID, Facebook Connect, and Google Friend Connect, focusing on their functionalities and suitability for different user needs. OpenID enables a single digital identity across multiple sites but requires technical expertise, while Facebook Connect offers social integration with a strong user base but is proprietary. Google Friend Connect provides easy-to-implement social features with limited access to user data, allowing for flexibility in using more than one solution.