DIFFUSION is a strategy agency helping to define, create and grow the value of brands. An international strategist, planner, writer and commentator, I've worked with some of the world's largest companies and their brands and held strategy director roles at Interbrand, Nucleus and Revolution. Excerpts from this blog are also published in the US by AdAge, Digital Ministry and in Australia by Marketing Magazine. Contact me here, follow me on Twitter @spbyrne