code: func NewSocial(network string, action string, actionTarget string) *Social {
  	h := &Social{
  		network:      network,
  		action:       action,
  		actionTarget: actionTarget,
  	}
  	return h
  }
docs: // NewSocial creates a new Social Hit Type.
  // Specifies the social network, for example Facebook or Google
  // Plus.
  // Specifies the social interaction action. For example on
  // Google Plus when a user clicks the +1 button, the social
  // action is 'plus'.
  // Specifies the target of a social interaction. This value
  // is typically a URL but can be any text.