Line, a chat application born in Japanese, turns its eyes to United States in order to attract more users. Though far always from Silicon Valley, Line has made a great achievement in the social network market. It’s about three times faster than Facebook to attract 100 million users. This is Line. Now it plans to march towards United States – the headquarter of the Facebook and Twitter.

At present, 38% of its users come from Japan. However, Line has formed a marketing team aiming to enlarge its users in America. Jun Msuda, the chief strategy and marketing officer of NHN Japan, said that the company is still in the stage of investment, and his goal is to own 1 billion users around the world.

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Matthew Panzarino, the well-known editor from TheNextWeb, points out that short battery life is the most serious problem of iPhone. Compared with iPhone 4S and iPhone 4, iPhone 5 has no improvement on battery life, even still stays the same level of iPhone 3GS.

What’s the biggest flaw of iPhone? It’s no doubt that iPhone needs to improve its battery life at once. Compared with its excellent aspects, battery life is just depressing. Battery life has influenced the hardware and software of the iPhone, which would have better performance without short battery life. Actually, all the smartphones on the market are facing this battery life issue.

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