I am a founder and researcher at https://replica.health and co-creator of https://metabo-net.org. This is super exciting and cant wait to see what we can learn once large datasets of overlapping ketones + glucose + insulin data become available.

One point I discussed with other researchers at ADA this year: in theory automated insulin delivery does not stand to benefit much from ketone sensors, since diabetic ketoacidosis will almost always be preceded by high blood glucose, which we already measure using the cgm. It will be interesting to see what this ketone data is actually used for.