I built QRGenLabs thinking the main users would be restaurants and event organizers. Menus, flyers, that kind of thing. And they are a big chunk of users.
But a segment I didn't expect: small e-commerce brands using QR codes on product packaging.
It makes sense when you think about it. You've bought something from a DTC brand and found a card inside saying "scan for warranty registration" or "scan for setup guide." Those QR codes need to work forever (you're not reprinting packaging every month) but they also benefit from analytics — how many people actually bother to scan?
What they actually need
Talking to these users, I found a few specific requirements I hadn't prioritized: SVG export (for print vendors who require vector files), the ability to update the destination URL without reprinting (dynamic codes), and branding — they want the QR code to look like their brand, not a generic black-and-white square.
All of this was already in QRGenLabs, but I hadn't been talking about it in those terms. Updating the landing page copy for "product packaging" as a use case increased signups from that segment noticeably.
The lesson
Your product probably already solves problems you haven't named on your landing page. Talk to users, find the language they use to describe their problem, and mirror it back.
What unexpected user segments have you discovered after launch?