Reputation points show who has been helpful to other users.
How to get reputationTo get reputation, you must post something to answer another's question, or is useful. If a member believes it is helpful, they can press the '+' button in the top right corner of the message. If the user thinks the post is unkind or insulting, press the '-' button to take away reputation.
The 'thanks' buttonThe thanks button can be used if you think something was particularly helpful, useful, or answered a question you had. It adds 2 reputation points, while normal '+' button gives only 1.