1. An offer presentation system for identifying consumers as belonging to a designated category and allowing access to offers by consumers who are members of the designated category, comprising: a database of offers accessible through connection by consumer operated computers upon authentication of consumer registration; an offer presentation module for managing access to the database of offers; and a consumer registration module allowing registration of a consumer for access to the offer presentation module, the consumer registration module allowing registration of a consumer upon submission of identifying information provided to the consumer by a party who has verified the consumer's membership in the designated category and used to identify the consumer as belonging to the designated category.