https://bitcointalk.org/index.php?topic=211858.0I would suggest reading up on the trust system. The above link goes to the announcement topic from the Meta section.
I'm going to leave this thread unlocked for newbies to ask questions and help each other understand. Useless replies and off-topic remarks will be deleted.
Edit - This is a useless reply:
+1 for trust
Hello, forgive me as I am new here. I still do not understand how this trust system will really promote the community since anyone can just put in random rating, right?