When sending out IDs or credentials per snail mail, please use a font that distinguishes zeroes from ohs
Posted by jpluimers on 2023/12/20
Paper mail is about user experience too, not just ads, but letters too, especially the ones sending out IDs or credentials.
There were three characters that could either be an oh or a zero, so it took me half the permutations to get it right.
A font like Consolas is fine for that (and ships with Windows). Even better: use OCR A.
Based on [Wayback/Archive] Jeroen Wiert Pluimers on Twitter: “Tip voor @xs4all: In de rest van de xs4all->KPN migratie, stuur “Onderwerp Uw wachtwoord voor Telefonie” brieven gaarne in een lettertype waar de 000 en OOO heel duidelijk van elkaar kunnen worden onderscheiden. Hier 4 pogingen (de helft van de permutaties) nodig gehad. “
–jeroen
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