<P> The Platform for Privacy Preferences Project (P3P) is an obsolete protocol allowing websites to declare their intended use of information they collect about web browser users . Designed to give users more control of their personal information when browsing, P3P was developed by the World Wide Web Consortium (W3C) and officially recommended on April 16, 2002 . Development ceased shortly thereafter and there have been very few implementations of P3P . Microsoft Internet Explorer and Edge were the only major browsers to support P3P . Microsoft has ended support from Windows 10 onwards . Microsoft Internet Explorer and Edge on Windows 10 will no longer support P3P . The president of TRUSTe has stated that P3P has not been implemented widely due to the difficulty and lack of value . </P> <P> As the World Wide Web became a genuine medium in which to sell products and services, electronic commerce websites tried to collect more information about the people who purchased their merchandise . Some companies used controversial practices such as tracker cookies to ascertain the users' demographic information and buying habits, using this information to provide specifically targeted advertisements . Users who saw this as an invasion of privacy would sometimes turn off HTTP cookies or use proxy servers to keep their personal information secure . P3P is designed to give users a more precise control of the kind of information that they allow to release . According to the W3C, the main goal of P3P "is to increase user trust and confidence in the Web through technical empowerment ." </P>

What is p3p and how does it work
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