Matt & Mike talk to Taco Potze, Robert Douglas, Matthew Tift, Greg Dunlap, and Jeff Eaton about selling Drupal modules, and all of the intricacies of community, GPL, and selling modules and distros.
Dependency injection is an alternative to the static \Drupal::service. When writing plugins, if you don't inject your services you will have a hard time writing unit tests for your plugin's code.
With Drupal 8 and modern PHP, design patterns are going to be more relevant to us. This article talks about the decorator pattern for unobtrusive behavior inheritance.
In January 2016, Google and Lullabot started working together on a Drupal 8 module supporting Accelerated Mobile Pages, an open-source initiative making mobile web faster and more user-friendly.