Explore the science and practice of transitions in this keynote address from the 31st ACM User Interface Software and Technology Symposium. Delve into Jaime Teevan's insights on the importance of transitions between states and how user interfaces can better support these shifts. Learn from years of productivity research about successfully transitioning between tasks throughout the day and discover how these findings can be applied to navigating various contexts and roles in life. Gain valuable perspectives from Teevan, the Chief Scientist for Microsoft's Experiences and Devices, as she shares her expertise in creating the future of productivity and discusses the unexpected opportunities that arise during transitions.