Ask HN: What's the most valuable thing you can learn in an hour?
CPR&#x2F;Choking&#x2F;First Aid course is probably close to an hour.<p>How to change your own oil - probably lots of other money-saving home and auto DIY things...<p>Speed reading and memory tricks can be a multiplier on learning other skills.<p>How to use automation tools like Zapier and IFTTT - again, a force multiplier.<p>You might be interested in this book
<a href="https:&#x2F;&#x2F;www.amazon.com&#x2F;First-20-Hours-Learn-Anything&#x2F;dp&#x2F;1591846943&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.amazon.com&#x2F;First-20-Hours-Learn-Anything&#x2F;dp&#x2F;1591...</a> - the author has a youtube video that covers it pretty well in 15 minutes - similar to 4-Hour chef, too