It's so odd that the only nontrivial example code in the paper is completely buggy. The find longest common prefix function of a list of strings fails (try ["a", "bc", "ade"]).
For Cochlear brand your kit should include backup coils, and replacement is overnight. If you turn on lights (child mode) the processor lights indicate streaming with blue. I love my cochlear implants even though the integration UI and reliability is not perfect yet.
Nice blog post, but I really wish the author knew how to use apostrophes. (Or the difference between its and it's, if it's not the typographical character he doesn't like.) It's just so jarring to be reading along and be tripped up all the time with grammatical mistakes.