title: How do Formtastic and simple_form compare?
body: <p>How do <a href="https://github.com/formtastic/formtastic" rel="nofollow noreferrer">Formtastic</a> and <a href="https://github.com/heartcombo/simple_form" rel="nofollow noreferrer">simple_form</a> compare?
  What are the pros and cons of each?</p>