Why is Drupal Commerce popular? Because it's the most reliable way to build an e-commerce site with Drupal.
Drupal Commerce is built on Drupal 7. It empowers you to build any type of eCommerce website, making as few hard-coded assumptions as possible about your business needs.
In this course, Rod introduces us to Commerce Kickstart, the distribution that saves you a lot of time getting a store up-and-running.