Imagine handing someone your business card — except instead of a flimsy piece of paper that ends up at the bottom of a bag, you tap your phone against theirs and your entire professional profile appears on their screen in seconds. Or picture someone pointing their camera at a sleek printed square and landing on your LinkedIn, portfolio, and contact details all at once. Welcome to the world of digital business cards, where NFC and QR technology are quietly replacing the paper stack that’s been a networking staple since the 1800s. But here’s the thing: not all digital business cards…