Are you sitting down? Doesnt matter, this isnt going to surpriseyou. Facebook reaffirmed its position on Friday that its able touse the postings and personal information of 1.2 billion accountson the service for advertising purposes. The social media websiteannounced the new privacy policies in a blog post on the site.Facebook initially included, then removed, a line about how minorswho join the site needed a parent or guardian to give consentbefore they are used in ads. Facebook now says that this permissionis granted once the teen signs up for the site. The changes