Advanced Objective-C and Garbage Collection Techniques

Objective-C powers Mac OS X, providing a truly dynamic language upon which to build exciting applications. Mastering Objective-C will make you more productive, and provide greater insight into the Cocoa frameworks. Discover advanced techniques using garbage collection, blocks, and other new Objective-C features that will help you wring the most performance out of today's multicore Macs.

WWDC 2010 - macOS