The document discusses visualizing city development projects in Birmingham to engage the public using digital tools and make the city an "open digital city". It proposes holding a workshop to bring together planners, architects, city officers, and creatives to discuss opportunities for collaborative approaches to developing Birmingham through open digital solutions. Some examples discussed include using 3D modeling, maps, and games to stimulate public consultation and investment. Key issues involve balancing appropriate technical solutions, opportunities for digital businesses, and promoting Birmingham's innovation.