How small can we make an earbud - a headphone I mean? Read "The Goal" by Eliyahu Goldratt and one chapter starts with "... Julie on top of me. She isn't being amorous. She's reaching for the alarm clock." So, can we make an earpiece that will sound the alarm when commanded by the base-station? It's got to be so tiny that there's absolutely no discomfort at all. You stay in a super low-power mode for 5 hrs, then you wake up. Then, when you get and easy to check for code, you go into a higher-power mode and wait for the alarm signal and put out about 10 mW of audio energy. The battery can be recharged everyday - probably a supercap will work.
Start your day without waking your wife up. What exec wouldn't want that?
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