The document discusses how real-time social media monitoring and engagement, or "now marketing", allows companies to tap into the global mind in real-time for marketing purposes. It provides examples of how companies like Razorfish, Fleishman-Hillard, and Hollywood Reporter used real-time social analytics tools to target ads, create live content, and measure buzz around events like the State of the Union, Oscars, and Super Bowl. The key is engaging the real-time social media stream through continuous monitoring, live content creation, and instant marketing and engagement.