This content was released on May 24 2013. The official support period is 6-months from this date.
If you are an advanced-level iOS developer looking for a way to get more involved in the community, consider applying to become a technical editor for raywenderlich.com. Read this post to find out how to apply!
This is a companion discussion topic for the original entry at https://www.kodeco.com/2716-join-the-raywenderlich-com-technical-editing-team