Loved this ebook great lessons that every entrepreneur can relate to in the running of their business, Must read!!. I recently published an ebook on "What is Social Proof?" In my ebook i cover the basics of what is social proof, Understanding User behaviour when they are visiting your website online. What is Fear of missing out FOMO and how to create a sense urgency among your online visitors using WebsitesToolz social proof tools. Finally i have explained several use cases using social proof tools from www,websitestoolz.com Do check out my ebook at this link https://appsumo.com/products/marketplace-what-is-social-proof/