I'd say closed loop ish system. It uses the CGM data to make temp-basal adjustments. It's not like a full autopilot or anything. Since modern fast acting insul

I'd say closed loop ish system. It uses the CGM data to make temp-basal adjustments. It's not like a full autopilot or anything. Since modern fast acting insulin still takes time to kick in, you need to dose to cover carbs about 15 minutes before eating. So there will always be some level of involvement of you want to avoid actually going high and then coming back down (proactive vs reactive). Don't get me wrong, it's great to know you're going to wake up at your target even if you screwed up your dinner-time bolus a bit. That is, assuming the CGM is functioning properly. My experience with the Dexcom G4 with my kids was much less than stellar. Lots of '???' readings or having it off by over 50 points, extremely painful insertions and being mostly useless the first 24 hours and then sensors failing long before 7 days was the norm and ultimately we abandoned it. Anxiously waiting for the auto-inserting CGM to come out of trials.