1. In a data processing system, the improvement comprising: a. a first computer which permits a user to make a request; b. a second computer having a service provider responsively coupled to said first computer; c. a third computer having a content provider responsively coupled to said first computer via said second computer; d. a fourth computer having a reconciler responsively coupled to said service provider and said content provider which verifies an amount payable to said content provider by said user; e. a publically accessible digital data communication network wherein said content provider, said service provider, and said reconciler are responsively coupled; and f. a transaction log prepared by said service provider and an invoice log prepared by said content provider.