3 ms·+1 We agree.by matellis 15y ago+1 We agree.mtogo 15y agoThere's an upvote button for that.zzleeper 15y agoAs the author of the article, I think they are allowed this type of replies...delano 15y 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.