There are good business cards, wallet-friendly/unsmudgeable, and there are lots less good ones. At best it’s 1D information though. You copy the mobile number, email address, LinkedIn/Twitter handle onto your device, quite often more than once, and your digital journey doesn’t start until you’re over that big fence. Very 20th century. Dutch tech company Shake-On has set about contemporising the business card with its eponymous hardware.