June 16, 2021
When I’m signing up for online services, my zip code is 00400.
In Nairobi, we don’t have zip codes. A large number of web services I use require me to fill one in to get started, even if it’s a purely digital service that has no real need for a physical address. Over the years, I’ve standardized on that random number out of muscle memory.
It’s a minor annoyance that’s easy to overcome. Still, it comes to mind when I read articles about precise UX optimization: tweaking the wording or color of a call-to-action button, or optimizing a sign-up form’s language to nudge conversion rates up by a fraction of a percentage point.
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June 16, 2021
