A few days ago I published Math::Vector::Real::Farthest, my 100th CPAN module. I got into CPAN in 1999 so it has been a long, mostly quiet, way.

Some modules were a side effect of my paid work, done while contracting or, lately, as a regular employee. But most of them were done on my free time for fun. Just because I had that idea on my head, or because somebody just pushed an interesting problem under my nose (AI::Termites, ="https://metacpan.org/pod/Algorith…