Zipcar

Those living in urban environments probably know all about car-sharing service Zipcar. For the rest of the world, Zipcar made its global splash by demoing its upcoming iPhone app during the keynote at this year’s Worldwide Developers Conference in San Francisco.

The impressive demo not only stood out to numerous iPhone-owning Zipcar customers—it generated a flurry of curiosity among the geek crowd about what Zipcar is and how the technology behind the service works. After entertaining a few discussions here at the Orbiting HQ as well as numerous reader questions, we decided to take a peek behind the curtain at Zipcar to learn more about the system, learning that it’s more complex—and cooler—than we originally thought.

via GSM, black boxes, and iPhones: the tech that drives Zipcar – Ars Technica.