Business plan not entirely clear? Not sure how you’ll make enough money or find your users? That's OK. Really. The most scalable ideas often come at you sideways. You'll find yourself crabwalking from a small market to a bigger one to one of unimaginable scale. We talk to the master of the entrepreneurial crabwalk, Diane Greene, who brought us into the age of cloud computing. As the founding CEO of VMWare and now the head of Google’s cloud division, she shares how she scampered sideways into a market of boundless potential.