Testimonials build trust. Whether your customers are raving about what your product has done for them or about the great service you gave, they tell the story of a positive experience with your products and business.
Testimonials aren't "salesy." Because testimonials aren't written in your "voice," they stand out as truthful and impartial accounts of how well your product works or how great your service is.
Testimonials overcome skepticism. A good testimonial has the power to convince even the most skeptical prospect that your product or service really made a difference in your customer's life--and youcan help them, too.
Here’s an example of a great testimonial (sorry, have to toot my own horn).