Wow, isn't that something. It is good to hear that the diver did not suffer any permanent injuries. It is also good to see that Poseidon jumped in so quickly to figure out what happened and to find a solution.

My guess is that as rebreathers are becoming much more common, more of the bugs will get worked out. I also suspect that the technology is going to make rebreathers easier for divers to use and less expensive to own and operate. At least I hope because I would like one.