Ten winners were chosen at random from all of the entries using a random number generator.

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In the ad serving phase, when your computer requests an advert from the OIX (because a website has included our tag in their page), the browser sends the random number and the categories are used to deliver the targeted ad, not the details of your browsing, or anything about you or your computer.

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The random number is the only thing that distinguishes your browser from the millions of others on the internet.

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Ulevitch's hacker paranoia inspired him to add an extra security feature: All DNS servers tag data with one random number (from 1 to 65, 000) to enable servers to recognize the right piece of data at the right time.

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