I find the hardest thing is having something deep enough that I'd want to write about it, and feel that it'd be useful to refer to in the future or for others t

I find the hardest thing is having something deep enough that I'd want to write about it, and feel that it'd be useful to refer to in the future or for others to read. Normally I do it alongside FOSS contributions, etc. - but with a full-time job, that's much less frequent than I'd like. There's been times where it's been very useful though, both for my own reference and to show others e.g. on stuff that I did in my PhD ~10 years ago.