World premiere: Carrefour Hypermarkets have installed large networks of iBeacons to guide and inform in-store customers The european retail leader Carrefour has recently placed extensive iBeacon networks in all 28 of its hypermarkets in Romania. This is the first project of its kind at global level which passes the tests phase and openly interacts with the public at the level of an entire commercial network. The solution uses 600 Onyx Beacon One devices and delivers to consumers, at the level of an entire national retail network, a guided shopping experience, personalized and enriched by the content delivered to their mobile devices.