A method is provided for using referral data to track software product sell-through and compensate software product distributors. A referral identifier (ID), that identifies a product distributor, is associated with a product. The referral ID may be placed on or within the product container, or in the...http://www.google.se/patents/US7702536?utm_source=gb-gplus-sharePatent US7702536 - Method, system, apparatus, and computer-readable medium for tracking referrals and product sell-through