An all too familiar story is told about our data and how various organisations are capturing it, harvesting it, and using it in ways to influence us - some positive, but many perceived as negative. What does a more hopeful vision of a data dominated world look like?

Mara Balestrini is an expert on this topic. She works as a Human-Computer-Interaction researcher, and founded an organisation devoted to the issue called Ideas for Change. Watch this conversation to hear about some of the examples of citizens taking hold of and being empowered by their data to create positive impacts for their everyday lives in their cities.