Web
browsers generally allow users to send a "Do Not Track"
signal that informs advertisers that the users do not want to be
tracked for the purposes of sending personalized ads.
But
this is more a futile exercise because websites and advertising
networks are able to ignore the signal. Even Yahoo which was honoring
Do Not Track requests, decided to stop doing so this week.
The
Electronic Frontier Foundation may have a solution. Last night, the
group announced "Privacy Badger," an extension for Chrome
and Firefox "that analyzes sites to detect and disallow content
that tracks you in an objectionable, non-consensual manner."
Privacy
Badger doesn't block ads automatically. The group explained:
“When
you visit websites, your copy of Privacy Badger keeps note of the
"third-party" domains that embed images, scripts and
advertising in the pages you visit. If a third-party server appears
to be tracking you without permission, by using uniquely identifying
cookies to collect a record of the pages you visit across multiple
sites, Privacy Badger will automatically disallow content from that
third-party tracker. In some cases a third-party domain provides some
important aspect of a page's functionality, such as embedded maps,
images, or fonts. In those cases, Privacy Badger will allow
connections to the third party but will screen out its tracking
cookies.”
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