how do the ratings work?
A good question: Who and how is a numerical decision made for the poster? Is it objective or, in the alternative entirely subjective? Is there an area at this website which will give a definitive answer, or explanation, to my query?
all posters with over 100 posts can click your ratings…
COOL or SAD
the + is cool the - is sad.
your rated by other forum poster 
and you can also rate other forum posters
nice