Dirk Henke discusses how online marketing channels work together like a football team, with each channel playing a specific role. Some channels assist by driving traffic while others score direct conversions. Data-driven channels like search and personalized display are star players that exceed expectations with high conversion rates. However, the rise of mobile is a new challenge, with mobile commerce tripling yearly and mobile device usage surpassing desktops. To succeed, marketers must master both mobile web and in-app advertising. A real-world retailer example shows the importance of preparing for mobile, which now accounts for nearly one-third of their sales and clicks. Ultimately, Henke argues that a winning marketing team must take a multi-channel, multi-device