HSM presents WOBI :: World of Business Ideas, a powerhouse of actionable ideas from people shaping the world today. We've also launched a new YouTube channel: http://www.youtube.com/wobi. Visit and subscribe for new business content updated daily . Are you interested watching more videos on People? Take a look at our People playlist http://www.youtube.com/playlist?list=PLC6073F3CC2E76F1E&feature=plcp Subscribe and be the first to see our new videos everyday http://www.youtube.com/subscription_center?add_user=wobi&annotation_id=annotation_716670&src_vid=sKLA7vZrmxs&feature=iv Join the WOBI community www.wobi.com We are on Facebook, join us! http://www.facebook.com/Wobi.En Are you following us on Twitter? @Wobi_en www.hsmglobal.com Dr. Robert Cialdinis is the best selling author of Influence: Science & Practice, whose groundbreaking, evidence-based research resulted in the "six principles of influence". Listen as he talks here about the first of these principles the importance of reciprocity.