Whether the consent decree that Facebook signed in 2011 will have any bearing on this latest privacy affront remains to be seen. Regardless, the fundamental problem here is that companies keep finding new and unanticipated ways to use the personal information people share online — including the digital bread crumbs they leave unwittingly as they wander around the web. Are you comfortable knowing that companies are scooping up your crumbs, your "likes," your tweets, your status updates and your lists of friends to determine whether to offer you discounts? To decide which news items to show you? To determine how best to sell you on a controversial presidential candidate or a costly ballot measure?
Source : http://www.latimes.com/opinion/editorials/la-ed-facebook-privacy-trump-campaign-20180320-story.html