Results: We track analytics from views to clicks, to sign ups, to follow ups, and sales. It's very profitable. Excellent lead generator paired with call to action and landing page.
Keys to Success: Buying the ad, targeting the audience, writing headlines, understanding format, creating effective calls to action and offers, and capturing sign ups with web forms. Also, ensuring that "sales" follows up on leads promptly. And of course, knowing how to do great "testimonial" videos.