The Strength of Weak Ties: The importance of social networks on success (like casual acquaintances, work colleagues or school friends). http://buff.ly/1rXWjvA
http://www.youtube.com/watch?v=-Bm93gN1zJg&feature=youtu.be&utm_content=buffer7c28e&utm_medium=social&utm_source=plus.google.com&utm_campaign=buffer//cdn.embedly.com/widgets/platform.js