Showing how sure we are
October 2026
Why every value in our reseller app shows a confidence level, a source, and a data date, and why low confidence is the honest default.
Journal
Notes on our apps, crosswords, and how we build things.
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Whole or parts? Why a used appliance can be worth more in pieces
October 2026
Selling an item whole and selling it in pieces are two different markets. Here's what a fair comparison has to count.
How AI-generated crossword clues actually work
September 2026
The grid is never touched by AI. Only the clues are, and every one gets checked — here's the actual mechanism, and what happens when a check fails.
Solving crosswords offline: why it still matters
September 2026
A lot of crossword apps quietly need a connection to work. Here's where that dependency actually comes from, and what offline-first means in practice.
.ipuz vs .puz: what's the difference
September 2026
Two crossword file formats, one old and narrow, one newer and more capable. Here's what actually separates them.
What "public domain" actually means for a crossword
September 2026
Free crossword archives are everywhere. Legitimately public-domain ones, with real provenance, are rarer than they look.
How to open a .puz file on iPhone
September 2026
A .puz file lands in your Mail or Files app and nothing knows what to do with it. Here's why, and what actually opens one.