let me ask you a simple yet confusing question, how many identities you own in the internet? It would not be easy for most you to answer. The yahoo, Google, AOL, MSN, blogger and so on. There are many services over the internet, and each time you register for a service, you are adding another identity. Haven't you felt this is getting unmanageable over a course of time? At least some people felt it. That gave birth to the OpenID foundation.OpenID is decentralized and open way to manage all...