You see a gorgeous girl at a party. You go up to her and say, "I am very rich. Marry me!" That's Direct Marketing.

You're at a party with a bunch of friends and see a gorgeous girl. One of your friends goes up to her and pointing at you says, "He's very rich. Marry him." That's Advertising.

You see a gorgeous girl at a party. You go up to her and get her telephone number. The next day you call and say, "Hi, I'm very rich. Marry me." That's Telemarketing.

You see a gorgeous girl at a party. You go up to her and say, "I'm rich. Marry me" She gives you a nice hard slap on your face. That's Customer Feedback.