As the country celebrates National Hot Chocolate Day, Insider takes a look at the UK's chocolate market and its economic impact.

Cadbury fans, if you go down to the shops today, you might notice that Dairy Milk bars are looking a little bit different.

Premier Jeremy Rockliff and Chocolate Experience at Cadbury proponent Simon Currant at the Cadbury factory, Claremont. Picture: Chris Kidd Simon Currant, the mastermind behind the project ...