What It Is : ZipCar is a car sharing service, which lets you rent (or share, if you prefer) a variety of cars by the hour for a low fee that includes ev...

I find this IN:NYC event-targetted card from American Express fascinating. I’ve always thought there’s more to mass customization of the credit card market t...

A few ideas that have been kicking around in my head long enough that I figure they’ll never actually be fully formed, so I might as well get them out now… T...