Amid the 55-inch, ultra-high definition TVs and the platoons of smart mobile devices with which the world’s consumer electronics makers hope to wow punters at their annual gadget-fest in Las Vegas this week, there is one thing they hope no one will ask: the price.
The tumbling prices of everything from flatscreen TVs to ereaders have become a bane for makers of digital hardware, even as they enjoy soaring interest in their widening range of mobile devices.







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