77 Things - Principles in Motion
Read more here:
https://medium.com/uber-design/77-things-about-uber-design-4621516e495c
Get the Chrome extension:
https://chrome.google.com/webstore/detail/77x/lgnkmlgloomjfbmdenogdehhphnhaihb
Deep dive into the book:
https://www.behance.net/gallery/73413305/Uber-77-Things