Pepsi

Whose fault is it when ad campaigns go wrong?

Pepsi faced criticism after being accused of appropriating Black Lives Matter with its Kendall Jenner ad.

Nivea was also in trouble after using the slogan "white is purity" to advertise deodorant in the Middle East.

We asked Lillian Sor, an executive at UK advertising agency Grey London, to explain how big marketing campaigns like these get made.