Point of sale, loyalty card swipe or scan. Most likely a Smart Phone App barcode scan.
Collects data for an individual user, what they’ve bought, where they bought it.
Instantly posts data into a data warehouse for analysis.
Gains visibility of what products are sold where, to who and how often.
Restaurant and Coffee Shop chains.
Cloud based hosting, designed to be replicated globally.
No upfront costs in hardware (cloud hosted), no card production (smart phone apps). Probably cheap bar code scanners available, probably again as smart phone app.