Watched the first episode. I've written some really crappy iOS apps just as side projects and so this helped clear up a bunch of slight misconceptions I had about the way it worked. Great video, super clear explanations, I have a much more solid understanding now. Thanks.
One nitpick is the video kept freezing for me, I'd refresh and it would play another minute or so and then freeze again. Maybe just the HN effect or something.
That depends of course on your cultural and language background. In Germany, "NS" in a standard abbrevation for "Nationalsozialismus", the ideology of the Hitler regime from which the abbreviation "Nazi" derives. For instance, the time between '33 and '45 is typically called "NS-Zeit".
I don't think there's any danger, though, that anyone will confuse this website's content with anything related to that meaning ;-)
I still recommend that everyone learn how memory management works before jumping into ARC. Much of what I do still has to support 4.0. That said, ARC is pretty badass, and I plan on doing a screencast on ARC in the near future.
If you don't understand basic memory management without ARC, you have no chance of ever understanding the weak reference annotations that ARC requires in certain cases (e.g. to avoid retain loops).