3 ms·+1 We agree.by matellis 16y ago+1 We agree.mtogo 16y agoThere's an upvote button for that.zzleeper 16y agoAs the author of the article, I think they are allowed this type of replies...delano 16y agoUpvotes are literally a +/-1 of agreement. It's a bit of a tough crowd (probably related to the subject matter), but either way, comments are meant to add something to the discussion.