Shel Perkins on AIGA’s site. “When design firms sell work, there are several very different ways to structure the compensation. The most common formats are: Time and materials, Fixed-fee, Use-based pricing, Licensing, Hybrid & Free”.
Courtesy of Aisle One. Paul Ibou is a Belgian graphic designer whose work includes 350 logos and symbols for corporations and public institutions, and in 1980 he started the publication Vorm in Vlaanderen. See more of his work at iconofgraphics