7. Eliminate “Process, Bureaucracy and Jams”. Yahoo’s PB&J service allows employees to report and vote on most annoying issues and demand change. More than 1000 improvements were made and employees get used to them much easier than to new executive initiatives. Cultural changes start with people. Out of 10,700 current Yahoo employees 6,000 joined the company later than Marissa Mayer, and are open to the new Yahoo culture.