Marketing and promotion services provided to others for marketing and promotion, sales support and customer relationship management; marketing and promotion services provided to trade show exhibitors using computer software and hardware, namely identifying and qualifying prospective buyers and providing qualified sales leads and supporting sales information to the exhibitor's sales staff for use in contacting qualified buyers, to allow the exhibitor to establish objectives for trade show performance and measure whether those objectives were met, and to provide pre- and post-trade show email surveys and direct mail campaigns directed at the exhibitor's buyers and prospective buyers