Data science is becoming an integral part of everything we do each day. Initially an exclusive domain of large corporation, data science is now at the personal level, with applications from domotics to wearables. What is adding value to our activities and what is just subtracting time? What are the technologies and approaches behind the most valuable solutions?Data is market per se. Companies are investing in harvesting, curate, tag data, generating a huge market, serving sectors from marketing to security to intelligence. How can we benefit from the current increasing data availability and from the synergies between the different sources?This presentation addresses the above questions, providing a picture of the general state of practice.