The document discusses the "voice wars" between Google Assistant, Amazon Alexa, and Apple Siri. It focuses on Google's strategy with Assistant and how it fits into their broader product portfolio. By 2018, voice assistants were common in many devices. Google launched Assistant across Pixel phones, books, and speakers. The document discusses various questions around the voice assistant market including which company is best positioned (Google), business models, and who is best positioned to win the connected home (Amazon looks strongest).