Clayton: Whereabouts are you from? http://zoombait.com/z-hog/ Alesse Order The power of regional business clusters has long been recognized. Many important industries concentrate geographically, for example in Silicon Valley, Hollywood, Wall Street and Bangalore. Clusters attract talent and promote the rapid spread of innovation. They support specialized infrastructure to meet the legal, financial, human resources and operations needs that are unique to each industry. Once clusters get going, they tend to sustain themselves. But they are hard to start: millions of dollars have been spent without success in attempts to duplicate Silicon Valley.