She hunted for a book in the airport shops, bought a bag of cookies and found a place to drop.

她在机场的商店里找了一本书，买下一袋曲奇饼，找了一个地方坐下。

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When it bought the ad network DoubleClick, though, in 2007 to compete in display advertising, it decided to switch to the DoubleClick cookie style, which was to drop cookies on the computers of anyone who visited a website (not just those who clicked on ads).

FORBES: Six Key Privacy Moments in New Google Book

The tracking cookies that publishers and ad networks drop onto your computer as you move around the web treat the browser as a surrogate individual.

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