
British supermarket
Waitrose runs in-store scan-as-you-shop with restraint, including near-zero onboarding and dynamically surfacing your last scanned item inside your shopping lists.
Key takeaways from 1 Case Study and 1 UX Bite
Your last scanned item appears inside your shopping list — confirmation without an extra screen
Scan-as-you-shop is simple enough that letting people try it beats upfront explanation
Data rarely reveals bad onboarding; showing often outperforms explaining
Often uses:
If features can be coded in minutes, thoughtful design is what wins
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