Latest information and columns on data science and marketing.

What is context engineering? Why generative AI answers become mediocre: The difference between context design and prompting.

DataScience for Growth: Marugame Seimen's Method for Maximizing "Winning Probability" Through Data Science – The Key to Decision-Making That Overcomes Uncertainty [MarkeZine Day 2026 Spring Event Report]

ST Corporation's Challenge: Redefining Mature Brands Through "Data Science x AI x Human Resources" [Brand Summit Spring 2026 Event Report]

Is your ad really contributing to sales? Exploring the limits of attribution and the true value of incrementality

How to identify your selling points to beat your competitors | Data-driven marketing strategy that connects analysis to your next move

5 steps to help you avoid confusion when analyzing data, starting today

Why do supposedly data-driven initiatives fail? Uncovering "customer truths" with behavioral economics

What are the four categories of data analysis? The role and use of "descriptive," "diagnostic," "predictive," and "prescriptive" analytics to answer marketers' questions