There needs to be a like button under comments and postings. This will allow the person giving positive a chance to be recongnized instead of fading in the background.
I honestly don't like the idea, if someone truly likes what someone says they will most likely comment or acknowledge the fact that they agree or think what they say makes sense.
there was an up-vote button on comments in order for the reciever's comment to be more easily noticed by mods for a better chance of obtaining a merit. it was removed when optimization started.