AI, algorithms, deep learning, big data - barely a week goes by without a new revelation about our increasingly digital future. Computers will cure cancer, make us richer, prevent crime, decide who gets into the country, determine access to services, map our daily movements, take our jobs away and send us to jail. Successive innovations spark celebration and concern. This report looks at how to use publicly available data to build a picture of companies, services and projects in this area. but being wary of the risks, mistakes, assumptions that can be introduced.