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COVER STORY SHOPPER MARKETING: THE REVOLUTION IN MARKETING By Nelly Kanja C ompanies, especially branded manufacturers, have over a long period of time drawn their source of competitive advantage from developing powerful brands and driving depth of distribution. 00 MAL 11/16 APRIL They have continued large and sustained investments in traditional marketing practices such as advertising and trade promotion. Yet brand loyalty, product innovation success rates, and sales lifts remain elusive.