Patent ID: 7139725
Filing Date: 2006-11-21
Classification: G06Q

Abstract:
1. A method of selling and purchasing at least one object of purchase from a content provider site over a computer network, said method comprising the following steps: a. receiving a request at said site to find said at least one object of purchase, each of said at least one object of purchase having attributed to it a probability of obtaining said each of said at least one object of purchase at no cost to said purchaser, wherein said probability of purchase at no cost to said purchaser is communicated to the purchaser prior to selecting said at least one object for purchase; b. selecting receiving a selection of said at least one object of purchase for purchase; c. confirming an order for said at least one object of purchase; d. determining whether payment must be made for said each of said at least one object of purchase; and e. receiving payment for only those objects of purchase from said at least one object of purchase for which payment was determined to be required in step d, wherein said step of determining whether payment must be made for said each of said at least one object of purchase comprises the following steps: (1) generating a random number between a first predetermined value and a second predetermined value for said each of said at least one object of purchase; (2) offering said each of said at least one object of purchase to said purchaser at no cost if said random number is equal to a third predetermined value; and (3) requiring payment for said each of said at least one object of purchase if said random number is not equal to said third predetermined value.