Assuming, that is, that your pool is in need of cleaning. With a business card made out of pH testing paper, potential customers can dip this card into a pool and see if the pool’s pH balance is ...

he’d take this over the traditional paper business card. Ryssdal: I’m gonna guess that you, like me, have a stack of old collected business cards in one of your drawers in your desk and ...

Aside from its practical purpose, the business card has also provided a way to show off your style — from the font and color scheme to the paper stock. While business cards can still serve ...