These are people known for their discriminating taste for wine. They can discern wine quality through color, smell, and taste. They understand the details printed on wine bottles. Most of these people are favorite targets of wine sellers who send out advance information on wine specials that will be made available. They join tours to the world's wine regions. They get invited to formal wine tastings organized by wine shippers and importers for the benefit of a specific public, such as the press, as well as to social tastings arranged by wine clubs and societies. Also included in this database are people who are professionally involved in the wine business--vineyard farming; wine-making; wine importation, distribution and retailing; food service industry.