This talk will cover using custom metaboxes, fields, and forms to provide structure to your data, as well as keeping WordPress very easy to use for clients. By leveraging CMB2, a major rewrite of the popular “Custom Metaboxes and Fields for WordPress” library, you’ll be able to enable all sorts of awesome things in your WordPress sites with minimal code effort.
— https://raleigh.wordcamp.org/2014/
Follow along with the slides over here.