Google search is deceptively simple. This homepage, with its single text input and whimsical, seasonal logo, masks an extraordinary quantity of engineering effort and speaks volumes about Google's design philosophy. Over the years, the Google product family has expanded and diversified, but each new product retains a focus on simplicity. In this talk, Adam will describe some of the tools and processes used by the Google user experience team, as well as some of the challenges caused by Google's unique environment.