Chrome Developer Relations Engineer at Google
It is important for a user interface to feel polished and fluid. A great way to help with that are appropriate animations and transitions. They help users build an accurate mental model of how the interface works, thereby increasing the overall usability.
Bramus Van Damme is a web developer from Belgium. From the moment he discovered view-source at the age of 14 (way back in 1997), he fell in love with the web and has been tinkering with it ever since.