Many people don't bother to change their "default" pin setting, which will often be uniform across a network or make of phone.

很多人都懒的更改“默认”的识别码设置，而同一网络或制造商的识别码常常是统一的。

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How often do you change the mobile phone services provider?

你会多久转换流动电话服务供应商？

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How often for you to change the brand of mobile phone?

你曾否转换流动电话的品牌？

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Winfrey even touched on the extraordinary ways people have gotten her attention for their causes. (As you can imagine, her phone rings quite often.) Someone even cleverly bought a billboard to promote the change with puppy mills that she would see on her way to the Harpo offices.

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