A system, method and server are described for creating customized, in-store customer experiences. In one embodiment, a method is described, comprising receiving proprietary retail data from a first retail establishment over a wide-area network, the proprietary retail data comprising customer purchasing information formatted in a first proprietary format, converting the proprietary retail data into a standard retail data format to produce standardized retail data, receiving an indication from the first retail establishment over the wide-area network that an event relating to the first retail establishment has occurred, and in response to receiving the indication, retrieving standardized retail data relating to the customer from a memory, and providing at least some of the standardized retail data related to the customer to the retail establishment for presentation to the customer.