The founding plan of Southwest Airlines started with a napkin arranged in a triangle; the original draft paper of Picasso's "Guernica" was a napkin; Hemingway's "A Farewell to Arms" " (also translated as "Farewell to Arms") was written casually on a napkin; according to Google, the law of diminishing returns, which is the cornerstone of microeconomics, was first expressed on a napkin; the Guggenheim Museum is also... 99 A peace agreement proposed during the negotiations between Israel and Syria in 2008 was also... (In this way, among the great events in the world, only the birth of NetBuy did not start with a napkin.)