Mathematica experts Yu-Sung Chang, Faisal Whelpley, and Chris Carlson answer user-submitted questions about making dynamic interfaces, adding constraints, making custom controls for interactivity in Mathematica, and more.
To view Mathematica Experts Live: Dynamic Interfaces Q&A 2012 as a playlist, please visit:
http://www.youtube.com/playlist?list=...
For more information about the event and other Mathematica training courses, please visit:
http://www.wolfram.com/training