Facebook is a junk information company. Like how McDonald’s makes more $ by serving heart disease-inducing junk food http://www.buzzfeed.com/charliewarzel/how-people-inside-facebook-are-reacting-to-the-companys …pic.twitter.com/A0G6lBgRj8
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
no, but Facebook news feed is a default view of the world for 2 billion MAU.