Offline-sales attribution systems and methods

摘要: An offline transaction may be attributed to an online activity by receiving a request from consumer device for resource that comprises vendor page. online-referral source (by which the identified page) is determined, and unique identifier, source, page are stored in persistent record. A device-identifier association created associate identifier with device. Subsequently, offline-transaction data obtained, associating online-communication address involving individual or. When second received device, it determined associated further, transaction. The notified source.