Unilever is one of the world’s consumer marketing powerhouses, with annual advertising expenditures totaling nearly $9 billion. So when it decides its marketing organization needs rethinking, that’s a pretty big deal.  Last week at Cannes Lions, the big award-giving event for creatives, the audience heard Unilever CMO Keith Weed explain the transformation he’s trying to pull off. The philosophy, he explained, is to reorient the function he leads from marketing to people, through marketing with people, to the point that brands are marketing for people.