1. A computerized method implemented by processing circuitry executing stored executable instructions, the method comprising: registering a plurality of potential purchasers in an electronic file with purchaser-supplied information; assembling verified information in the electronic file, wherein assembling verified information includes: accessing at least one third party database and collecting information for the potential purchasers from the at least one third party database; and supplementing and identifying discrepancies in the purchaser-supplied information using the information from the at least one third party database; pooling a group of potential purchasers in the electronic file, wherein the verified information is used to pool the group of potential purchasers; and presenting the group to at least one potential advertiser of goods or services applicable to a portion of the plurality of potential purchasers.