a) http://en.wikipedia.org/wiki/Hear,_hear http://en.wikipedia.org/wiki/Hear,_hear b) The little triangular "upmod" button is perfectly sufficient to express y

a) http://en.wikipedia.org/wiki/Hear,_hear http://en.wikipedia.org/wiki/Hear,_hear b) The little triangular "upmod" button is perfectly sufficient to express your agreement if you don't have anything else to add.