Explore practical applications of function annotations in Python during this 57-minute EuroPython 2013 conference talk. Delve into the concept of function annotations as syntactic sugar for adding metadata to function definitions. Learn how to leverage annotations for adding typing information, enhancing IDE and editor support, and implementing runtime checking. Discover the potential of structural interfaces, predicates, and function overloading using annotations. Examine different approaches to type annotations, including the 'rightarrow' library. Investigate how annotations can be utilized for language bridges and discuss reasons for their limited adoption in the Python community. Gain insights into advanced Python features and techniques to improve code quality and maintainability.