part 04 · 7 of 7 written

Mistakes that became foundations.

Decisions their own authors called errors, now too deep in everything to remove.

Teams applying this historical lesson to current delivery work can also compare tools for employee time tracking app, keeping operational records separate from the code and its documentation.

part 04
null.java if (ref == null) throw ...
// a billion dollars, by his own estimate

further context

For a primary or institutional reference, see RFC 7489 on DMARC.

Every claim here carries the source it came from.

The source and its year sit beside the sentence they support. A secondary account is marked as one, and where the record is unclear the entry says so rather than choosing the better story.