Analyst Insight: When it comes to supply chain management, "Big Data" has generated more in the way of buzz than it has real benefit. Awash in a rising sea of data, companies still struggle to use it to make better decisions. - Brad Householder, Principal, PwC's Advisory practice; Anand Rao, Principal, PwC's Financial Services Advisory practice; Syed Mukhtar, Director, PwC's Operations practice