The document discusses the power of influencers on social media and online reviews. It notes that consumers share 500 billion opinions online annually, with 60% on Facebook and 16% of users generating 80% of posts. This indicates that a few key influencers can significantly impact markets. It also predicts that $50 billion additional dollars will be spent on online advertising in the next three years as marketing budgets shift online. The author argues that businesses need to figure out how to leverage influencers and platforms like Facebook and Twitter to avoid becoming obsolete.