The document discusses the importance of marketing for businesses. It defines marketing as the process used by companies to determine products or services of interest to customers and strategies for sales, communication, and business development. It also outlines various digital marketing tactics like social media, blogs, email campaigns, and search engine optimization that can help businesses generate awareness, build credibility, and manage customer relationships at a low cost. Social media in particular is highlighted as an important tool for businesses to build their brand, engage customers, and drive traffic to their website.