Productivity in UX design is about making quick decisions and focusing on creating valuable products that users love.
Principles include focusing on functionality over visuals, prototyping, seeking feedback, automating routine tasks, and adapting ideas.
Other principles involve asking questions, considering user experience in every detail, tracking performance metrics, and being open to competition.
Lastly, principles emphasize understanding user perspectives, embracing constraints for creativity, valuing minimalism, and knowing when not to implement a feature.