Benchmark
Uber, Airbnb And Etsy Attracted Their First 1,000 Customers
https://www.forbes.com/sites/hbsworkingknowledge/2016/07/13/how-uber-airbnb-and-etsy-attracted-their-first-1000-customersvestiairecollective.com
https://www.instagram.com/accounts/login/?next=/vestiairecoHow To Be a Genius: This Is Apple's Secret Employee Training Manual
https://gizmodo.com/how-to-be-a-genius-this-is-apples-secret-employee-trai-5938323First 1000
https://read.first1000.coHow did Spotify gain initial traction?
https://www.quora.com/How-did-Spotify-gain-initial-traction/answer/Ong-Si-Quan