The text discusses the integration of HiveMQ's MQTT broker with MongoDB to enhance real-time energy monitoring in smart buildings, illustrating the benefits of this integration for efficient energy management and sustainability. With over 1.5 billion IoT devices in use and a projected increase to 3.25 billion by 2028, managing the vast amounts of data they generate is a challenge. The combination of HiveMQ and MongoDB allows for the seamless handling of data transmission, ingestion, and storage, enabling building managers to analyze energy consumption patterns and make data-driven decisions. This integration leverages the MQTT protocol to transmit data to HiveMQ, which then reliably delivers it to MongoDB, where the data can be stored and analyzed. MongoDB's ability to handle diverse data formats from different IoT devices, along with its analytics capabilities, empowers managers to optimize energy usage and reduce costs. The text also highlights the relevance of AI and IoT in the telecommunications sector, where automation and machine learning models are being used to improve operational efficiency, network security, and customer experiences. Additionally, MongoDB's leadership transition is announced, with Dev Ittycheria retiring as CEO and Chirantan "CJ" Desai taking over, bringing his extensive experience in scaling technology companies to lead MongoDB's next phase of growth.