The document discusses four key lessons that marketers can learn from the 2016 Olympics and presidential election. First, marketers should leverage all available devices to reach audiences who are using multiple screens. Second, social media is powerful for growing supporters and extending messaging. Third, controversial comments that generate free media exposure on different platforms can be an effective strategy. Fourth, the document examines the difference between "bought" and "earned" media, and how Donald Trump was able to generate billions in earned media coverage during the election.