"How we change what others think, feel, believe and do."
In so many cases One has to wonder why people do what they do, why trust is so important, how groups and individuals act alone and together, etc. You might want to check out this website and re-live that Social Psychology 101 class you had in college.
Status, In-Groups, Work Groups, Sequential Requests, Conspiracy, Propaganda, Happiness... and much, much more! Example:
I must maintain or advance my status
Higher status people must be obeyed and admired