http://www.marketingweek.co.uk http://www.marketingweek.co.uk http://www.marketingweek.co.uk/magazine/graphics/logo.png http://www.marketingweek.co.uk http://www.marketingweek.co.uk/trends/market-research-precious-bundles-of-insight/4006672.article http://www.marketingweek.co.uk/trends/market-research-precious-bundles-of-insight/4006672.article Market segmentation can be crucial in establishing a brand identity and developing new products but marketers warn that customer divisions should be fluid to account for changes in behaviour. Wed, 22 May 2013 00:00 GMT