When your last precedent is #cromwell you probably have a problem
The search for screwpine and bottle gourd: https://fooderalist.com/the-search-for-screwpine-oil.html
Finally, I have succeeded at pineapple upside-down cake:
If anybody remember's Thompson's "Reflections on Trusting Trust", this is a good example. The only thing compromised was the build system; this was completely invisible in the source.
"The not-so-secret life of boarding passes":
"What data you might be leaking publicly on that anachronistic piece of paper you discard in the seat in front of you. Turns out it is an awful lot more than you think…"
I always found #gnupg fun and interesting. But I have nothing to sign or encrypt to make use of it. I guess that works out ok since I sure wouldn't want to have to back up those keys properly.