Times have changed. The goal of a marketing campaign used to be to make a brand famous. And many years ago, when there were only a handful of brands and little advertising, that strategy proved very effective. For each product category, consumers tend to prefer "well-known" brands over less-known brands. Campbell Soap. Morton Salt. Listerine mouthwash. However, today, with countless advertisements, each product category has many famous brands. Let's take toothpaste as an example. Colgate, Crest, Aquafresh, Arn & Hammer, Mentaden, Sensodyne, Rembrandt, Close Up, Ultra Brite and Pepsodent. Each brand is quite well known. Which brand do consumers choose to buy?

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