If you want to start and nurture a creative company (like Pinterest!), you should drive across the American Southwest for a bit first

Remember that crazy-arse story about how eBay reinvented itself based on a secret, six-person trip to Australia? Here's another blow for the "let employees do crazy road-trip based stuff, even if it's not directly tied to revenue immediately" contingent: Pinterest employees just drove around the American Southwest in a Winnebago ("Pinnebago") for a coup…