New add-on attempts to measure the value of your data to websites . Facebook , Google and other sites make their money using data for advertising . Savvy Internet users know that all the great stuff they get from the Internet us for `` free '' —the searches , the social networks , the games , even the news—is n't really free . Privacyfix works with Firefox and Chrome Web browsers . Comment:
New add-on attempts to measure the value of your data to websites . Facebook , Google and other sites make their money using data for advertising . Privacyfix works with Firefox and Chrome Web browsers . Comment: