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Winkler says Nokia may make it but it looks more likely that Research In Motion may not make it through the current storm.

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Apple is investing $700 million in a new material called sapphire that will replace glass to provide better breakage protection for the iPhone. The first sapphire screens will be coming off a manufacturing plant in Mesa, Arizona, that Apple runs with GT Advanced Technologies. Apple is using sapphire, a harder and more corrosion resistant material that is costly to produce, for the cover on the fingerprint reader and iphone camera lens. About 11% of iPhone owner screens have cracked or broken screens, according to warranty provider SquareTrade. Compared to Gorilla Glass costing $3 per screen, the sapphire screen would cost $16. Apple paid $113 million for a 1.4 million square foot Mesa facility from a solar panel producer and leased it to GT, a manufacturer of furnaces to produce sapphire. Apple is paying GT $578 million to install furnaces at the factory and run the plant.

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As part of his plans to revive Sony, CEO Hirai plans to increase sales in emerging markets by 44% in 3 years. Sony is the leading brand for television, audio equipment, and notebook computers in India. Hirai plans to increase operating margins to 5%, and increase revenues by 33%, by March 2015. The outgoing CEO, Mr. Stringer reached 5.4% operating margin in the fiscal year ending March 2008, but things changed after the global financial crisis and the problems in 2011 with the tsunami and earthquake in Japan and floods in Thailand. Sony also plans to start a new medical business with medical diagnostic products, and endoscope type products that use its advanced image sensors. Sony plans to focus on mobile devices, digital cameras, and videogames for further investment.

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Verizon's support for another ecosystem in Nokia powered by Microsoft software. This would increase its leverage with Apple and reduce the large payments for carrying iPhones.

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Apple maintains its grip on the tablet market with its iPad at $499. Experts at Wharton and the Stern School of Business say Apple has found the strategically right price to maintain a dominant share of a rapidly growing market. So rapidly growing that some estimates show tablet computers surpassing PC sales by 2013. Apple CEO Tim Cook, has the logistical expertise that helped him work out the right price. The Kindle at $199 is hardly profitable by some estimates. Samsung has a smaller tablet at $499. In 2011 Apple saw its tablet market share decline from 87% to 68%, according to IDC Research, but still able to get a dominant share of sales. Apple uses the same approach to pricing for the iPhone. The profits generated on large sales and higher margins helps Apple invest in new products.

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Sony's CEO, Kazuo Hirai, talks to WSJ staff in April 2015, on ways in which it has changed as it adapts to the new competitive environment. He says the basic DNA remains the same with its focus on innovation. What has changed is the sense of urgency, accountability starting at the top, and the ability to adapt quickly to the competitive environment. Hirai describes his personal life at home alone in his condo, with his family in California. He spends the quiet time on the weekends in the condo thinking over decisions to be made, testing the logic, and adds that he rarely changes once he has made up his mind.

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Apple's deal with IBM in 2014 to jointly develop apps and mobile services for business customers.