It has to start with goals and a commitment to solve the problem that needs to be addressed. If it's trying to cut costs, you might start with sourcing to find the best price, then look at the suppliers you use, and finally understand how best to apply the technology to what you're trying to achieve.
iSource: What's the best business model companies should use to achieve their goals?
Ford: On a large, corporate level, what's really needed is a strategic source model, almost a closed loop. Most corporations don't want to go to a marketplace. They don't need that for buying stationery or manufacturing goods. They've strategically sourced those things. They want to have employees buy from contractual arrangements with one or two suppliers in one category. It's a one-to-many model