Tech interoperability improves device communication by ensuring systems from different manufacturers can work together seamlessly. Interoperable technologies allow diverse devices to share data and functionality, leading to enhanced user experience. For instance, smart home devices often rely on common standards like Zigbee or Z-Wave to communicate reliably. This enables users to control multiple devices from a single application or interface. Interoperability eliminates the need for proprietary solutions, promoting innovation and integration among various technologies, ultimately simplifying setups for users.