Here is the video I gave at WordCamp Atlanta in 2014. Information Architecture or IA is very important to your WordPress projects. In fact, before building a custom theme for a client you should have a clear understanding of their mission, goals, and content in order to design and build a more effective WordPress theme.
In this video I explain the basics of Information Architecture and WordPress:
If you are tasked with putting together a WordPress theme for a client organization or business the theme you select is very important. Perhaps your first inclination is to choose a theme that looks great or let your client choose a theme that they are happy with. This practice however can have negative repercussions for your client. This talk discusses how to appropriately choose a theme or build a theme that supports your clients goals. Using information architecture we can better select themes or build new ones. –