I'm not sure what the answer to that question is, but I've decided it's something different than I do now. And I need some perspective to answer it. So, I've to move on. I.e.: As of this Friday, I will no longer be employed by Google.
Yes, I'm leaving my baby (or is it an adolescent by now?), in the hands of an awesome team we've compiled over the last few years. And I'm taking some time off to think. And...who knows?