Not so long ago, marketing consumer products felt like a genteel game of lawn tennis: Established competitors invested in creative with long lead times, using proven models of TV and big-box retail, alongside trusted agency partners. Today, it’s more like a sprawling contest of mixed martial arts, with new competitors playing by different rules; an unprecedented complexity of channels, content and partners; and a step change in speed and ways of working that has punches flying at incumbent consumer products companies. Fueling the blur of combat is a radical shift in brand growth models. Within the span of most executives’ careers, advances in technology have reshaped how consumers engage with brands. In the US and UK, more than