This document introduces Microsoft Azure IoT services and patterns for building Internet of Things (IoT) solutions. It describes the key components of an IoT product including sensors, communication methods, devices, device management, and data processing. It outlines how Azure IoT Hub, IoT Suite, gateways, and other services can be used to ingest sensor data, apply machine learning, store and analyze data, and send commands to devices. An example scenario of a simulated car device is provided. The document encourages leveraging Azure's breadth of platform as a service offerings to build transformative IoT applications.