Rhee said he'll be leading Internet of Things projects at Google, although it's not certain exactly what that entails. He'll be reporting to Google Cloud CEO Diane Greene, however, and will be aiming for a "concerted" strategy with separate home and business IoT lineups. In other words, you may see a clearer effort emerge than what you've seen so far.

This likely won't put the brakes on Samsung's efforts, at least not in the near term. Bixby 2.0 is on the way, Samsung Pay is well-established and Knox is expanding beyond mobile devices. However, the company might have to regroup if it hopes to create services with the same impact.