12 Companies Leading the Way in d direct marketing

https://www.scribd.com/document/413925182/20-Reasons-You-Need-to-Stop-Stressing-About-clickfunnels-pricing-chart

The purchase funnel, or obtaining funnel, is usually a buyer centered marketing product which illustrates the theoretical shopper journey to the purchase of a products or services. In 1898, E. St. Elmo Lewis