Just snap off the corners and this business card can be used as a mass storage device. Well sort of. The tab left over has four traces on the back to make it USB compatible. The PIC 24FJ64GB002 ...

Product Features Large Capacity: This business card book can hold up to 240 business cards or 60 credit cards (depending on the card thickness). Maximum card size suitable: 3.6" x 2.2". Applicable ...

Large Capacity: This business card book can hold up to 240 business cards or 60 credit cards (depending on the card thickness). Maximum card size suitable: 3.6" x 2.2". Applicable for note cards ...

It is, after all, a business card. All the user has to do is plug ... It also shows up as a USB Mass Storage device for recipients who might not be quite as adept at the command line.