City as a Platform: What techniques and schemes can be used to make the notion of an elastic City Platform that offers scalable, safe, reliable and cost-effective ways of monitoring, supporting and enhancing urban infrastructures and ecosystems?

Harnessing the Invisible City: How can technology help recognize, leverage, visualise and support the out-of-sight, hidden or forgotten resources and data flows of urban environments for optimization and informed decision making by city managers, businesses and citizens?

Enabling Connected Communities: How can technologies across the compute continuum give us an opportunity to innovate with emerging ideas of community, work, leisure, place and identity yet protect privacy in a city of a billion sensors?

Sustaining Sustainable Practices: How can novel human-environment interfaces encourage sustainable behaviours in the long term after the subsidies run out?