Few topics among economists and business leaders engender the same enthusiasm as productivity. Doing more for less seems the universal balm for individuals, businesses and markets. If we all have growing productivity, well, then everything practically takes care of itself. You’ll find few dissenters. Cloud computing may hold a massive new opportunity for the IT industry and we recently saw Microsoft taking this topic more seriously. But why is Microsoft tepid in its march to the cloud? Why is it “software plus services,” not just services?