Wrigley Asalnya Menjual Sabun, Mereka Beri Percuma Baking Powder, Tetapi Baking Powder Pula Lebih Popular, Mereka Kemudian Menjual Baking Powder Dan Beri Percuma Chewing Gum, Apabila Chewing Gum Lebih Popular, Mereka Mula Menjual Chewing Gum

Wrigley Originally Sold Soap, They Gave Free Baking Powder, But Baking Powder Was More Popular, Then They Sold Baking Powder And Gave Free Chewing Gum, When Chewing Gum Was More Popular, They Started Selling Chewing Gum

Source :
majalah Mastika