WSJ's Katie Boehret provides a guide to new services from cellphone carriers that allow users to back up their contacts.

WSJ's Katie Boehret 从移动运营商提供了一个新的业务说明，该业务允许用户备份他们所有的联系电话号簿。

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Cellphone carriers caught on to this problem, and all of them now offer solutions that make it a cinch for you to automatically back up your cellphone contacts.

手机运营商发现了这个问题，它们现在全都提供了的解决方案，使备份联系人变成小事一桩。

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The cellphone carriers rival Vitamin Water or Hewlett-Packard and its printer ink cartridges in their ability to extract a high-profit margin from a seemingly mundane product.

手机运营商正在用他们的能力从这个看上去平凡的产品中榨取高额边际利润，利润比得上Vitamin Water和HP(惠普)的打印机墨盒。

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Verizon came in second in Consumer Reports' ratings of cellphone carriers, behind U.S. Cellular Corp.

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It's no secret that cellphone manufacturers and carriers alike are getting quite crafty with their marketing approaches, but Symbian went straight for the low-blow with its Boo-Hoo campaign.

ENGADGET: Boo Hoo For You: Symbian mocks Western smartphones Mobile

As wireless customers spend less money on plain-vanilla cellphone voice calls, carriers are betting that data and entertainment services like text messaging, over-the-air music stores, streaming video and mobile Web browsing will lead growth.

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