Below you'll find some of the most frequently asked questions about Coca-Cola's campaigns: What inspired the shape of the Coca-Cola contour bottle? What is the 'One Brand' strategy? Can't find your question? Please send them to us. RELATED LINKS Is your stevia leaf extract safe? Does aspartame cause cancer? What is aspartame and is it safe? How does Coca-Cola engage with the academic community? How is stevia leaf extract made?