If you've noticed people around you ordering a Scotch on the rocks when they went for a Malibu and coke previously, then you can blame Mad Men.
The popular TV series, which charts the turbulent lives of advertising men and women in New York's Madison Avenue in the 1960s, is being credited for the recent spike in whisky sales.
The drinking habits of Don Draper and his cohorts has started a trend for spirits, with whisky in particular seeing a surge in sales.