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  3. In 2004 Google unveiled Gmail: a powerful e-mail account with a gigabyte of storage. That was 500 times what Hotmail was offerin

In 2004 Google unveiled Gmail: a powerful e-mail account with a gigabyte of storage. That was 500 times what Hotmail was offerin

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问题     In 2004 Google unveiled Gmail: a powerful e-mail account with a gigabyte of storage. That was 500 times what Hotmail was offering—so much storage, the original Gmail didn’t even offer a delete button— and all for free. But not everyone rejoiced. Gmail paid for all of this goodness by displaying small text ads, off to the right of each incoming message, relevant to its contents. Privacy advocates went ballistic. It didn’t seem to matter to them that a software algorithm—not a human being -was scanning your messages for keywords. The Electronic Privacy Information Center called for Gmail to be shut down, and a California state senator proposed a bill that would make it illegal to scan the contents of incoming e-mail.
    To many people, it seems that the more time we spend online, the more often we are offered convenience in exchange for our privacy. Grocery stores’ affinity cards give us discounts—but let them track what we are buying and eating. Amazon, com greets us by name and remembers what we have bought. Facebook has amassed the largest database of personal information in human history(more than half a billion people).
    Of course, convenience-for-privacy deals have been going on for years. Credit cards leave a trail. Phones give phone company employees a record of who you’ve been calling. It’s nice to have a house to live in but buying one leaves a permanent record of your whereabouts.
    There are some good reasons to protect certain aspects of our privacy, of course. We would never want our medical or financial details to keep us from getting a job—or a date. We might not want our voting patterns made public. But beyond those obvious exceptions, privacy fears have always been more of an emotional reaction than a rational one.(Does anyone really care what groceries you buy? Does it matter if they do?)And in the online world, much of it is simply fear of the unknown, of what’s new.
    In time, as the unknown becomes familiar, each new wave of online-privacy terror seems to fade a-way. Nobody bats an eye over Gmail’s ad-scanning feature anymore. Even middle-agers and grandparents are signing up for Facebook. The younger generation can’t even comprehend why their elders worry about privacy. Indeed, the entire appeal of the new age of online services is to broadcast personal information. On purpose. Foursquare, Gowalla and Facebook Places even publicize your current location, so that your friends can track your movements(and, of course, join you).
    If you were among those who thought that Google overstepped privacy lines with Gmail, you must be positively freaked about these developments. But at least some aspects of your privacy have been gone for years. The fear you feel may be real, but the chances of someone actually looking up the boring details of your life are reassuringly small. As with fear of flying, shark attacks or lightning, your gut may not be getting realistic data from your brain.
Convenience-for-privacy deals______.
选项 A、are a new phenomenon brought out by the internet
B、have become our customary practice
C、are faced with the challenge from the internet
D、pose a threat to online businesses
答案B
解析 第二段指出，有些人认为上网时间越长，用个人隐私来换取便利的频率就越高。第三段反驳指出，用隐私换取便利的交易已经存在多年，并非新生事物。[B]选项符合文义。
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