This has many advantages including being able to use virtually any field module in Drupal. Now you can easily gather geographic information, reference site content and include media references in your surveys and other forms. It also allows for simple integration with popular Entity-aware modules such as Views, to handle submission lists and Rules, to handle notifications and form access.

Along the way we will use Entityforms to study the underlining Entity system in Drupal including Entity Types, Bundles and Fields.

Come and learn more about Entityforms and when you might want to use it(and when you won't).