South Africa, March 10 -- There was a lot of heated discussion last month around a controversial decision by US-based fast-food giant Burger King to make an ad extolling the natural ingredients in its "Whopper" burger, using time-lapse photography to show the burger moulding away after 34 days.

Personally, I think the ad clevers went a bit too clever on this one, because the image which will forever remain is the one of the rotting and distinctly unappetising burger. It's something you cannot unsee . and an image which probably pops into your head when you pass a Burger King joint - with the operative word being pass . on to some other fast-food brand.

I haven't noticed Burger King flighting that ad in South Africa - perhaps because Sou...