This document discusses customer purchase decisions and strategies for collaborative sales and marketing. It notes that customers now have extended time horizons, stabilized contact turnover, and are open to new ideas. However, customer spending is still down and price pressure is significant. Customers are also using consultants more, demanding increased customization, pushing more risk onto suppliers, and expanding consensus requirements. The document examines key drivers of customer loyalty like providing unique perspectives, helping navigate alternatives, and educating customers. It also profiles high performing sales reps, noting that "Challenger" reps who push customers are most likely to win deals, especially in complex sales. The document advocates for salespeople to "Teach," "Take Control," and "Tailor"