International marketing can also open the door to future business expansion opportunities. Not only does global marketing expand a company's sales base, it also helps the business to connect to new vendors, a larger workforce and new technologies and ways of doing business. American companies investing in Japan, for instance, have found programs such as Six Sigma and Theory Z to be highly useful in shaping their business strategies. Being in a new market improves the business's efficiency and helps open the management's eyes to previously undiscovered opportunities for growth.