Most of us are accustomed to a little chocolate treat every now and again, with M&M's being one of the go-to sources of indulgence.
The multi-coloured and hard-shelled candy that has been filled with hazelnuts, salted caramel and a crispy wafer has been stocked on the shelves since the early 1940s.
But, how many of us actually know what M&M stands for and the story behind one of the world's most famous and popular chocolates?
