Silos stifle creativity and make it difficult to work on collaborative projects, even with a person sitting right next to you in the office. What's an engineer, IT pro, or CIO to do? Will Murrell, a senior network engineer with UNICOM Systems, knows a thing or two about silos. UNICOM develops a variety of software and other tools to work with IBM's mainframe, Microsoft Windows, and Linux. Murrell recently talked with InformationWeek senior editor Sara Peters about a new breed of engineers trying to break down corporate barriers for good.