Last fall, Microsoft took the wraps off its pie-in-the-sky service-oriented architecture (SOA) strategy. Because the Redmondians were so loath to share any details about "Oslo," it was hard to get a grasp on what it really was. You know a Microsoft strategy isn't fully baked when company officials don't classify the component parts as products or services, but instead refer to them as "technology investments." The Oslo Microsoft unveiled in October 2007 seemed to be slideware, not a set of actual deliverables.