At which point, Gill piped up to explain - in his matter-of-fact monotone - why Microsoft's philosophy is fundamentally flawed. He pointed his audience to a blog post where an online real estate outfit called RedFin says it recently ditched Microsoft Virtual Earth for Google Maps. Yes, Redfin believes that Google gives better performance.

"Our approach us a little more absolute than [Microsoft's]," Gill said. "Not only does getting to the end user have to be fast, but the back end has to be extremely fast too...[We are] virtualizing the entire fabric so you get maximum utilization and speed on a global basis as opposed to local fixes - putting one service in a data center, for example, in Denver.

"You want to figure out how you want to distribute that across the entire system so you get it as horizontal as needed, which is essentially the definition of cloud computing."

You can take issue with his terminology. But his argument is sound: While Microsoft is struggling to...."


Google mocks Bing and the stuff behind it • The Register