Geode Turns iPhone Into Universal Credit Card Rewriter

Geode replaces all your credit cards with one iPhone-controlled card
Geode replaces all your credit cards with one iPhone-controlled card

I never thought I’d get excited about boring credit cards, but Geode is an incredibly neat little kit which turns your iPhone into a payment system that can be used anywhere. And not some fancy NFC-style POS terminals, either. The Geode works anywhere you can use a regular credit card.