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
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Google search is a totally different model. Results come once you express explicit intent, ranking based on authority derived from links....
Facebook doesn't really do any authority ranking beyond what your social peers share. Also not based on your explicit intent to find info.
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