5 ms·Perhaps trade is the carrot humans needed to go 'have sex' on a social level.by iwwr 15y agoPerhaps trade is the carrot humans needed to go 'have sex' on a social level.zby 15y agoI've just finished http://szabo.best.vwh.net/shell.html http://szabo.best.vwh.net/shell.html - it's pretty convincing that money is really what differentiates us from the other primate competing species (like neanderthals).iwwr 15y agoThat's very interesting, thank you!