This "case studies" page from Thunderclap is like a buffet of proof that their platform is amazing. They deliver proof in a variety of forms: with statistics,...View More
with case studies, with testimonials, with big company logos, with actual people who are celebrities. By combining all of these together, they create a very compelling case for their platform. It's a great example of how you should focus on conveying proof in a multitude of ways to make what you're pitching as believable as possible. The more forms of proof you deliver, the better.