On this week’s Tech Nation, Moira speaks with

it’s all about data – who’s collecting it, and why, and how it can serve us, and maybe not. Lee Omar from Red Ninja talks about smart cities around the world, and the art of listening before you build. Tech Nation Health Chief Correspondent Daniel Kraft shows us we can crowdsource medical questions, while Tech Nation Regular Contributor Gary Davis reminds us that we love free stuff, and we pay for it with our data. Then Krishnan Nandabalan, the CEO of InveniAI sees continued value in the data used for drug approval after the drug is approved.