Various companies are encouraging data collection and internal data assets are increasing. On the other hand, data utilization is not shared among divisions, and it is not utilized for overall optimization. "Treasure" data will remain asleep all the time. External force is necessary to use data. It may be an outside venture, an agency, or an alien who comes from outside. Three companies 3 share the findings that produced results using the outside force.　text by Kei Taoka