Name Picker

README.md

@@ -108,6 +108,15 @@ same person can be signed in at two sites at once without the system arguing abo
 An admin account can be limited to a single site. Those admins see only that site's visitors,
 staff list and log, and cannot touch the others.
 
+### Choosing who to visit
+
+The kiosk asks for a few letters of the name rather than presenting a long list. Once the filter
+narrows to five or fewer people, their names appear as large buttons to tap and the full-list
+dropdown gets out of the way; above that the dropdown carries everyone, because a page of eighty
+buttons is worse than a scroll wheel. Pressing enter picks the person when exactly one is left.
+
+The cut-off is `TAP_LIST_LIMIT` in `public/js/kiosk.js`.
+
 ## Branding the kiosk
 
 Each site can carry its own banner and colours, set under **Sites → Edit**.