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Single sign-on (SSO) is mechanism whereby a single action of user authentication and authorization can permit a user to access multiple systems or applications where he has access permission, without the need to enter multiple passwords. Single sign-on reduces human error, a major component of systems failure and is therefore highly desirable but difficult to implement. Due to Web 2.0 every website has keep tracks of user and need to persist User name and password. So user end up with using same login name and password on most of websites which is definitely security risk. To avoid this we can use Single sign on framework like OpenID. Further as I proceed with KG….

Following is the best article I have come across about human behavior in group. I always wondered what happens to human during riots or festival celebration act like strange animals. I guess, here is theory about it. Herd mentality describes how people are influenced by their peers or others to adopt certain behaviors, follow trends. Social psychologists have studied this phenomenon for long. The term herd mentality is derived from the word “herd,” meaning group of animals, and “mentality,” implying a certain frame of mind. However the most clear and precise definition would be: how large numbers of people act in the same ways at the same times. Herd mentality implies a unique human phenomenon and a fear-based reaction to peer pressure which makes individuals act in order to avoid feeling “left behind” from the group. Disadvantages of herd mentality: § Stifles the nurturance of creativity and invention. § Creates rifts and gaps between “haves and have-nots”. § ...