BNZ-BusinessNZ performance of services index rose 1.1 points to 57.8 last month from December.
BNZ-Business NZ performance of manufacturing index fell to a seasonally adjusted 50.9 in January.
NBR subscribers are big online shoppers according to the latest poll result.
Mighty Ape says many retailers have yet to get to grips with online.
ANZ stays on top, TSB Bank ups its spending while ASB Bank and Kiwibank make big ad cuts.
BNZ-BusinessNZ performance of services index rose 1.8 points to 56.5 in December from November.
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