sowie zur Laufzeit.
"Customers find restaurants on Epoxy's search engine, neatly organized by category, location and service among other options. Restaurants each have their own page, containing essential information such as address, menu, phone number and pin, which owners can customize for exact location [i.e. exactly where you are in a shopping mall or busy intersection].
Once users pull up a discount, Epoxy turns the phone into a scanner, which scans the restaurant's QR code onsite. The roles are reversed intentionally: by holding onto one QR code, restaurants ensure that discounts can't be duplicated or sent to non-users.
The process takes about 20 seconds per customer. Epoxy's design team comes from Apple and Fandango, and built the app with business owners' need for ease in mind."
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Was die Server anbelangt, sollte dies bereits im Konzept berücksichtigt sein. Das sind basics.