When you build an app, you know exactly how the backend works. But the moment real users hit the frontend, they will do the exact opposite of what you expect. I recently launched DopplGrid , a closed-loop facial recognition vault.

Source: [Dev.to](https://dev.to/shtatskyi/the-ux-challenge-of-ai-training-users-to-build-a-secure-facial-vault-5cjm)

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