They are a vital part of an array of data that we use to assess if we're doing well or doing badly, and that in turn shapes government policies and corporate budgets and personal spending decisions.

它们是一系列数据的重要组成部分，我们用这些数据来评估自己的表现是好是坏，进而影响政府政策、企业预算和个人支出决定。

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Sites should not collect, use, or share personal data without the a user's specific affirmative consent.

未经用户明确同意，网站不得收集、使用或与第三方共同使用个人资料。

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Set requirements to ensure that the collection and use of personal data is limited to the stated purpose.

设定要求以确保个人数据的收集和使用仅限于一定的目的。

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Smartphone apps often lack privacy policies and don't offer as much information and control over their use of personal data.

WSJ: Selling You on Facebook

The controversy over Facebook's use of personal data is not the first time it has had a run in with users.

BBC: Facebook offers control to users

Folks: if your accounts and your personal data matter to you, use truly secure passwords and back up your content.

ENGADGET: Amazon, Apple stop taking key account changes over the phone after identity breach