The article discusses Facebook's 'Little Red Book', a collection of quotes and stories about the company's history and mission. The book was given to new hires and intended to inspire and motivate employees. The discussion around the book reveals a sense of optimism and idealism about the potential of technology to change the world for the better. This optimism was prevalent in the tech industry around 2012, but has since been tempered by criticisms of the industry's impact on society.