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
Google Text-to-Speech provide voice-reply functionality. Cloud Text-to-Speech is powered by WaveNet, software created by Google’s UK-based AI subsidiary DeepMind. Since Google bought DeepMind in 2014, it’s been exploring ways to turn the company’s AI talent into tangible products. Integrating WaveNet into its cloud service is significant as Google tries to win cloud business away from Amazon and Microsoft, presenting its AI skills as its differentiating factor. DeepMind’s AI voice synthesis tech is notably advanced and realistic. Most voice synthesizers (including Apple’s Siri) use concatenative synthesis, in which a program stores individual syllables — sounds such as “ba,” “sht,” and “oo” — and