An origami USB connector and a games console that'll fit in your wallet—two entries in a contest to make business cards exciting

Business cards are a dying art—in the West, anyways. Most of us may never come to appreciate a finely crafted card capable of making a slick-haired serial killer wince with jealousy. But this business card competition over at Hackaday hopes to change that. Or, at the very least, get creative with what constitutes a 'card'.

There are some guidelines for business cards entering into the contest: the card has to be roughly 3.5 x 2-inches and should «fit easily in a pocket». Beyond these few basic guidelines, the rules are open to interpretation. Though there are a few categories to strive for, including for the thinnest cards, utilitarian cards, and best-looking cards. 

The contest runs until July 2 but we've already various excellent entrants to gawk at.

One project, crafted by LambertTheMaker, ditches the usual information you'd expect to find on a business card, such as a phone number, email address, or any discernible company detail, for a basic 8x8 LED matrix screen, on which to play Snake. The business card, nee black PCB, also contains directional and A/B buttons to control it.

So, a games console, then? That's my kinda card.

There's one more like it, too. This card from Edison Science Corner is a mini tic-tac-toe console.

Another is a couple sheets of paper—seriously—and between which creator Lincoln Uehara has stuffed a circuit. With the correct cuts and folds, it's possible to fold the pieces of paper into a usable USB Type-A connector. In theory, it's then possible to use this to create some sort of usable flash drive, though as far as I can tell, the WIP project lights an LED.

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This card from Martynas is handy in emergency situations. Well, sort of. It's a circuit able to generate an SOS signal in morse code.

Adam Billingsley's entry is a card capable of delivering a text-based payload to your PC when connected via USB, sharing your key information (and