This document discusses Digital Tax Platform, an OpenStack-based platform used by HMRC with 40 live services and 50 releases per week. It highlights the OpenStack ecosystem with over 600 community members and companies contributing to releases. The document promotes OpenStack's use across 50% of Fortune 100 companies and various government organizations. It provides examples of cost savings and innovation through OpenStack integration and containers. The document encourages involvement in the OpenStack community through resources like SuperUser, training, conferences and upcoming events like a Hackathon in Australia.