The document discusses the growth of social media and its influence. It notes that every third person in the world uses the internet, and over 60% of US internet users engage with social media. Social media allows for speedy and widespread distribution of information with few limitations. Popular social media platforms include Facebook, Twitter, YouTube, and LinkedIn. The growth and usage of these platforms has increased dramatically in recent years. The document also discusses how brands and companies are increasingly using social media for advertising, marketing, and engaging with customers.