Specifically thinking of stuff that make your life better in the long run but all kinds of answers are welcome!
I’ve recently learnt about lifetraps and it’s made a huge positive impact on how I view myself and my relationships
Ironically, most people I know doesn’t know how to use their phones or computers at all.
Not all of the people require more knowledge than Excel, but it’s very useful to recognize types of errors, backups, where are the settings you may need and how to find your device options.