Proof by SparkLoop
          Elon Musk
          2020-03-13
        
        
          30637 view · 306 likes
        
      
        Proof helps newsletter creators increase trust for potential subscribers by showing independently verified metrics about their newsletter.For example, display how many total subscribers you have or how many new subscribers you got last week/month.
      
       
        
           
        
           
        
           
        
       
         
         
         
         
         
         
         
         
        