If you've watched any World Cup matches at all (and statistically, if you have not, you are not reading this article) you have been aware of an omnipresent drone in the background - and you might believe it is the biggest swarm of mutant bees you ever imagined or perhaps South Africa's revenge for Apartheid-based boycotts in the 1980s.  

Instead, it is a horn South African fans like to use.  They call it a vuvuzela - I call it a B flat plastic trumpet from hell.   And I am not alone.