In a method for communicating information about a service or product, a record can be retrieved from a database storing records of communications related to a second entity. The record can include information related to an identity of a first entity. The first entity can be defined, at a processor and based upon content of the record, as a member of a set designated to be sent the information about the product or service. The first entity can have previously engaged in a first communication related to the second entity. The second entity can be associated with the product or service. A second communication, which can include the information related to the identity of the first identity, can be sent from the processor to an advertising platform. A third communication, which can include the information about the product or service, can be sent from the processor to the advertising platform.