The document discusses the changing software industry and rise of open source software. It notes that the top 20 software companies today were all founded before 1989 and have an average age of 47 years, showing correlation between revenue and age is weak. Younger companies like eBay and PayPal, founded in 1995 and 1998 respectively, demonstrate building software is one path to revenue but making money with rather than from software is important. It discusses how open source software is now everywhere and how services are increasingly connecting components, with the world composed more of open source and services.