South Africa, April 16 -- But there's one thing South Africans check obsessively: their Takealot packages.

This April, for Testicular Cancer Awareness Month, Takealot partnered with the Cancer Association of South Africa (Cansa) to transform the nation's favourite delivery experience into a reminder to "Check Your Package". Thousands of specially modified Takealot boxes were delivered with a small, strategically placed lump designed to disrupt the unboxing moment and prompt men to perform self-checks.

"We know South Africans check their Takealot packages from the moment they place an order to tracking every step of the delivery journey," says Karla Levick, chief marketing officer at Takealot.

"By using our most iconic asset - the Takea...