Implementation of IBM's "Smarter Planet" Strategy Has Resulted in All

Implementation of IBM's "Smarter Planet" strategy has resulted in all of the following except

A) a reduction in supply chain costs for retailers.
B) a reduction in traffic delays through coordinated signals.
C) a reduction in power usage for consumers using smart meters.
D) a reduction in inventory levels, as well as increased sales, for retailers.
E) a reduction in wasted coverage for advertising messages to increase its efficiency.