Objective-C on the Mac L18 - Object Ownership

When we own objects, we retain them, then release the old ones. MM Part 1 - http://www.youtube.com/watch?v=7aVIz3qrje4 MM Part 2 - http://www.youtube.com/watch?v=WTVlI9yglB0 Images: (Object Ownership): http://db.tt/Ii5whys ... https://www.youtube.com/watch?v=DdAW5OsiIwY