Effective marketing changes people's lives. It understands what they want, what they need, when, and how. Good marketers drive the strategy of the business by combining analytical focus with creative ingenuity. Complete two marketing modules to qualify for a minor in marketing, or four for a marketing major.All business strategy needs marketing: researching and analyzing your customers, your competitors, and your own company. You need to find the gap in the market, position yourself, create your brand, and promote it. Marketing covers it all.