When it comes to eCommerce, social proof is one of the most powerful marketing tools to rocket conversion rates and increase trust. Big brands like Amazon, Mailchimp, Airbnb, and many others use social proof on their sites. The use of social proof takes many different forms, from customer reviews to celebrity endorsements. The impact of social proof on consumer behavior is undeniable. But the question is, how? How is the method so effective? How could…