Patent ID: 7246077

Claim:
A method for generating a targeted list of prospective customers for a first list purchaser, the method comprising: providing in a computer-readable medium a database of prospect lists of prospective purchasers, the database associating with each of a plurality of the prospect lists (i) at least one list purchaser who used the prospect list and (ii) for each list purchaser who used that prospect list, data that indicate whether feedback from the list purchaser reported a successful use of that prospect list; and using a computer system to: identify, in the database of prospect lists, at least one said prospect list that the database associates with the first list purchaser and with data that indicate that the first list purchaser reported a successful use of that prospect list, thereby forming a first list group of which each member is a prospect list thus identified; identify, in the database of prospect lists, at least one other list purchaser indicated by the data to have reported a successful use of a list in the first list group; for each such other list purchaser, identify, in the database of prospect lists, at least one prospect list of which a successful use is indicated by the data to have been reported by that other list purchaser; thereby forming a second list group of which each member is a prospect list thus identified and provide the first list purchaser access to a targeted list of prospective customers drawn from among said second list group consisting of at least one prospect list thus identified.