At Intercom, their infrastructure is designed to scale alongside their growing customer base. They aim to deliver a reliable and performant experience for modern enterprises, with systems that can handle massive workloads. The company has built its platform on top of a small set of core technologies, allowing for deep domain expertise and world-class observability tooling. This enables them to run less software, focusing on high availability, scalability, reliability, and secure-by-default build patterns. Their infrastructure is designed to serve hundreds of thousands of companies, big and small, with a global presence in multiple regions. The company's operational reviews ensure that scaling is a key input in their roadmapping process, allowing them to keep up with customer demands while maintaining a smooth operation.