Economy of the United States Corporation, Apple Inc., Verizon, JPMorgan Chase, and Cardinal Health. In 2013, eight of the world's ten largest companies by market capitalization were American: Apple Inc., ExxonMobil, Berkshire Hathaway, Walmart, General Electric, Microsoft, IBM, and Chevron Corporation. According to Fortune Global 500 2011, the ten largest U.S. employers were Walmart, U.S. Postal Service, IBM, UPS, McDonald's, Target Corporation, Kroger, The Home Depot, General Electric, and Sears Holdings. Apple, Google, IBM, McDonald's, and Microsoft are the world's five most valuable brands in an index published by Millward Brown. A 2012 Deloitte report published in "STORES" magazine indicated that of the world's top
History of Google large mainstream technology companies. One such example is the rivalry between Microsoft and Google. Microsoft had been touting its Bing search engine to counter Google's competitive position. Furthermore, the two companies are increasingly offering overlapping services, such as webmail (Gmail vs. Hotmail), search (both online and local desktop searching), and other applications (for example, Microsoft's Windows Live Local competes with Google Earth). In addition to an Internet Explorer replacement Google designed its own Linux-based operating system called Chrome OS to directly compete with Microsoft Windows. There were also rumors of a Google web browser, fueled much by the fact that