Investor Roger McNamee joined Facebook as an early investor when the company was just two years old. In this lesson, he explains why he went from Facebook supporter to public critic, and why he came to write the book Zucked: Waking Up to the Facebook Catastrophe.How did McNamee recognize the mistake he made with Facebook? He called upon his training as a tech analyst to re-evaluate the decision-making process along three critical lines: What are the assumptions in play? Does the most recent information available confirm those assumptions? What biases might be obscuring the decision-maker’s ability to think analytically?Good decision-makers think like real-time anthropologists. They avoid taking fixed stances; they know the information available is bound to change.Life is unpredictable. Prepare yourself to adapt. Always be on the lookout for new information. Always update your hypotheses, or assumptions, to the best information available.We’re prone to ignoring signals that don’t ...