Testimonials are a key part of any subscription site, giving proof that your paid content is worth buying. Have your customers said great things about you on Twitter? Here's why SocialMediaExaminer.com says "Tweets" make for great testimonials:

They're short, so they get to the point quickly. People write them in a moment of enthusiasm, so they're filled with praise and excitement. They're written for public review, so you don't need to ask permission to use a tweet as a testimonial.

So how do...