Major conceptual advances that power economic growth seem to occur about 2-3 times a century. Previous waves, e.g., the steam engine and its descendants, mechanized muscle power. Connected intelligence (aka Industry 4.0) is the latest and most transformative because it augments and automates mental power—the ability to use our brains to understand and shape our environments — and is accelerating exponentially. Connected intelligence arises at the intersection of big data, cloud, mobility, social computing, the internet of things, and artificial intelligence.