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Why “Sorry, I don’t know” is sometimes the best answer: The Washington Post’s technology chief on its first AI chatbot
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Articles by Anne Powell, John Wiley, and Peter Gray

Anne Powell is associate director of engagement, John Wiley is associate director of data science and analytics, and Peter Gray is vice president of product optimization at The Wall Street Journal.
The Journal went on a quest to identify the user actions — an app download, an article share, repeat reading of a particular reporter’s stories — that can turn a new subscriber into a loyal one. Then it turned that knowledge into churn-reducing action.