In many companies, IT can be the wonder weapon of strategic superiority, enabling the forward-thinking company to leave its competitors bleeding in the dust. Just as often, however, IT can be far less than strategic in its impact, and, in the worst case, hamper the strategy of an otherwise well-oiled machine of a company. Mike Shaffner, in his "Beyond Blinking Lights" blog, looks at the problem of "being more strategic" from the IT manager's point of view.
I certainly recommend reading this, if you are in IT, or if your company uses IT as a strategic asset.
strategic+planning management IT strategy business