Christian Ahlert writes "OpenBusiness talked to Esther Dyson about how business models are adapting to an internet environment that champions openness. Esther's upcoming PC Forum focuses on how users are transforming the internet and placing new demands on businesses. From Open Source to Open Content, new forms of organization, production and distribution are emerging. But how can these ventures produce a revenue and sustain themselves? For how long can we give content away for free?"