This document discusses practical object tracking methods for augmented reality. It begins with an overview of different augmented reality approaches like marker-based, image-based, and sensor-based tracking. Next, it explains the basics of feature-map and model-based object tracking. The presentation then provides examples of real-world use cases for object tracking in industries like manufacturing, cultural heritage, and automotive to enable augmented experiences. It concludes by emphasizing efficient tracking methods, authoring platforms, and mobile/wearable devices as key enablers for practical object tracking applications.