Nat Torkington discusses the role of open data in improving citizen engagement and services in local government through examples like Wellibus and FixMyStreet. He emphasizes the importance of adopting standard APIs like Open311 to lower barriers for developers and encourage innovation, while cautioning against charging for data that could hinder public benefit. Torkington urges councils to embrace open data practices, reduce licensing hurdles, and collaborate with external developers to better serve their communities.