The biggest challenge for web designers is the unthinkably huge number of possible ways to solve any given problem. We usually don't think of this because we have our habits and traditions to fall back on, but there are literally billions of possible pixe
J. Goldberg, J. Helfman, and L. Martin. CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 1153--1156. New York, NY, USA, ACM, (2008)