Abstract: A method of sharing data including receiving, at a server, first data associated with a first marketplace and second data associated with a second marketplace, storing the first data and the second data in a memory of the server, determining attributes of the first data, the attributes comprising at least one data type, generating filtered second data, the filtered second data being a subset of the second data limited to the at least one data type, wherein the filtered second data is for sending to the first marketplace in response to the first data being received at the server.