THIS IS MARKETING!!

You see a gorgeous girl at a party, you go up to her and say, "I am
very rich, marry me!"
"This is direct marketing".

You are 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 is
very rich marry him".
"This is 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 am very rich.
Marry me!"
"That is telemarketing" .

You see a gorgeous girl at a party. You go up to her and say:"Hi, I
am very rich, marry me". She gives you a nice hard slap on your face.
"That's customer feedback".