If you were ever curious about the person behind TechCrunch, the San Jose Mercury did a feature/Q&A on Michael Arrington, who has become of the marketing people within the Web 2.0 world. Arrington makes money from offering consulting services to Web 2.0 companies but the story doesn't touch on whether he plans or wants to make money from the TechCrunch blog, which attracts 20K visitors a day.