I upvote (and post) items I think are worthy of the attention of the "Hacker News" users. If something has already made it to the front page then it does no nee

I upvote (and post) items I think are worthy of the attention of the "Hacker News" users. If something has already made it to the front page then it does no need an upvote (even if it was posted by Joel Spolsky ;)