Statistics for Using Web 2.0 technology to support humanitarian assistance and disaster relief operations : applying the lessons learnt from the United States Military response to the 2010 Haiti Earthquake to improve the utilisation of the New Zealand Defence Force's communications and information systems during humanitarian assistance and disaster relief operations : a thesis presented in partial fulfilment of the requirement for the degree of Master of Arts in Defence and Strategic Studies at Massey University, Manawatu, New Zealand