Soft drink giant Coca-Cola has cemented their presence in the fridge, vending machines, and at food outlets. Their Diet Coke on the other hand has been expanding their market in a slightly different campaign altogether. From the start of September, the company will replace the packaging for the much loved cola beverage with a new design. Fans of Diet Coke may notice that the design resembles a limited edition packaging that launched last year. London based design firm Turner Duckworth is responsible for trimming the weight off the old design, refreshing the brand with a contemporary aesthetic, in line with their recent marketing campaigns.