A few weeks ago, my esteemed colleagues Tom Shinder and Yuri Diogenes interviewed me for episode 26 of their very successful channel End To Edge. The interview deals with Unified Remote Access 2012 (a.k.a. DA 2012) and discusses the technology, how it works and how it has changed over the years. Naturally, it mentions the URA book too.
Watch it here: http://technet.microsoft.com/en-US/video/JJ955214