This document discusses how open data can be utilized commercially. Open data about housing, energy usage, public spending, and other areas can help businesses target customers and develop new applications. Sharing medical and scientific data more openly allows problems to be solved faster. Some businesses like newspapers are already openly sharing some of their data to develop public trust. Consultancy is offered on how open data and Web 3.0 technologies can help other businesses in unexpected ways. The value of open data is in how it can be reused in new and innovative applications.