Organized in cooperation with T-Mobile, the CXO HUB gathering dedicated to optimizing cloud computing is 1 of the recommendations for our community gathering agenda. The discussion preceded by the CXO HUB survey made it possible to learn, among others, the applied approach and the benefits achieved thanks to the continuous optimization of the usage of the cloud in the Central Information Center, PKO Bank Polski and Ringier Axel Springer. We discussed examples of approaches to...