The document discusses open content and metadata. It recommends addressing three areas when sharing open content: spill over effects, loss of attribution, and loss of potential income. The Rijksmuseum discovered over 10,000 poor quality copies of Vermeer's "The Milkmaid" online and decided to share high-resolution images and metadata openly to improve access and combat low quality copies. Workshops were held to discuss business models for handling metadata as either a key activity, key resource, or core value proposition.