Ensuring an excellent user experience in realtime applications, such as live virtual events or collaborative tools, requires a robust and reliable core infrastructure that can handle unpredictable user behavior and network issues. Challenges like capacity planning, infrastructure performance, and managing intermittent network connections are critical, but they are not the whole story. Users now expect feature-rich experiences that enhance engagement, such as chat functionalities that include presence indicators, typing notifications, and emoji reactions. Ably, a serverless WebSockets platform, offers easy-to-use APIs to integrate these enriched features, allowing developers to build scalable and dependable realtime applications. Examples of applications built with Ably include live business intelligence dashboards, collaborative presentation tools, and live B2B chat solutions, showcasing the platform's versatility and scalability.