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Lesson 3, “Objective-C Memory Management,” addresses memory management, which is a complicated subject in any programming language. This lesson provides a set of tools for easily handling memory management in Objective-C. Vewers learn about traditional Objective-C memory management and are provided with tips for handling memory management correctly. They also learn how to use autorelease pools to solve specific problems related to reference counting. Finally, viewers learn about a new tool in Objective-C, Automatic Reference Counting (ARC), that automates the memory management of Objective-C objects.