found this very useful firefox add-on,thought i should share it with all of you.watch the video,download/install the addon.stop websites from tracking your activities over the web,protect your online privacy.
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[h=2]Blocking tracking is its first priority[/h]Stop worrying about ever-changing privacy policies and take the first step towards getting control back over your information. DNT+ keeps an eye out for advertising companies and social networks looking to gather your personal information.
[*=center]Free tool that puts you back in control of your information
[*=center]Best available blocking stops more than 600 trackers
[*=center]Compatible with Mac or PC for Chrome, Firefox, Safari, and Internet Explorer
[*=center]Automatically updates to catch new trackers
[video=youtube;D-cwcWiB8mU]http://www.youtube.com/watch?feature=player_embedded&v=D-cwcWiB8mU[/video]
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Spoiler: show