Business Card Design Principles That Developers Keep Getting Wrong

I went to a tech meetup last year and collected about twenty business cards. Three of them were memorable. The rest were variations on the same theme: a name, a title, an email, a phone number, a LinkedIn URL, a GitHub URL, a personal website URL, and a QR code. All crammed onto a 3.5 by 2 inch card in 8-point type. The irony is that developers understand the principle that drives good card design. We just know it by a different name. In code, it's the single responsibility principle. On a business card, it's this: the card has one job -- to make the recipient remember you and have a way to reach you. Everything else is clutter. The anatomy of a card that works A standard business card is 3.5 x 2 inches (89 x 51 mm). That's 7 square inches of space. A well-designed card uses maybe 40% of that space for content, leaving 60% as whitespace. The whitespace isn't wasted. It's what makes the content readable and the card feel professional. The essential elements, in order of importance: Your