Note: This is episode 188 NOT 187 as stated in the video!
The Drupal 7 Draggable Captcha module is not like most captchas. A captcha is a way to catch or capture spam and prevent a bot from completing a form. This is one of the most widely used ways to prevent SPAM on a website. Drupal has many different types of captchas available and the Draggable Captcha is one of the more fun and easy ones.