This document discusses using a hackathon to explore problems in digital and retail behavior analysis, propensity marketing, and promotion modeling using case studies, analytics strategies, and machine learning/data mining techniques. It provides examples of long tail analysis from search engines, describes visualizing query length data in real-time, and reviews using demographic data and web logs for targeting. The document emphasizes structuring hackathon problems, iterating on visualizations before machine learning, and partnering with retailers rather than just releasing APIs.