CASE STUDY: How Donald Trump, Dave Ramsey, Tony Robbins, and Oprah are hacking the mainstream media for profit, and how you can use their strategy for YOUR business, mission, or cause. Compare the celebrity authorities mentioned above, with the “do it yourself” approach of Gary Vaynerchuck, Grant Cardone, and others and you’ll see how the mainstream media is still the game changer and will be for some time.