So there’s this company that’s trying to market ‘invisible’ playing cards. They’re not really invisible, more like see-through (although your opponent can’t see the card values). While this is more a novelty item than a serious bid to replace traditional playing cards, the fact that they’re water- and stain-resistant could prove a selling point. However, we think their chief appeal is that you can pretend you’re intently studying the cards in your hand, while secretly you’re staring right through them to check out some hot female poker player across the table without being labelled a perv. Read more.