So yesterday I was playing Dark Souls going around sun-broing but noone was summoning me so I placed a red sign instead. Someone summoned me, and it turned out it was a low level character with hollow armor and the armored boar helmet, so he was obviously a new guy (I use a cheated save to help people out in case you were wondering.) The guy had mistaken my red invasion sign for a co-operative white/gold sign. It was pretty funny. I backstabbed him once and left then messaged him and said "Dude, red signs are not for co-op."It was pretty funny actually.