What happens with a person's data?
are used to collect it.
Data collected is generally used to include a person's browser in an audience segment.
Cookies are used for other things too; enabling them on a computer can make navigating the web easier.
Some companies collect data and sell it to other companies; being familiar with company privacy policies helps people protect their privacy.
Opting out of interest-based advertising doesn't mean people stop receiving ads.
In certain cases, data my be combined with other sources (or with personal information on an opt-in basis) to produce more detailed profiles.
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