Credit cards used to be a status symbol many years ago, but over time it has become the pariah in the world of healthy finances. Still, the All-In-One Credit Card concept plays with the idea of having a memory card slot built right into it, letting you upload a variety of credit card details onto a single card. This means your wallet will have much more space, and you will also do your bit in saving the environment as all receipts will be electronically generated and stored on the memory card directly.