220 A.D. - 280 AD During the Three Kingdoms period, there was a talented emperor named Cao Cao, （曹操）a historical celebrity who loved talents, loved talents, and liked to welcome talented people "barefoot" to join his team and provide services for Cao Cao's great career. 
This is the famous classic story of Chinese history, Cao Cao welcomes Xu You barefoot. （曹操赤脚迎许攸）
It has been a historical story of more than 2,000 years.