Fish, bicycles and the future of digital advertising

Comedian Colm O'Regan visits the Guinness factory in Dublin, Ireland, home of the iconic advert featuring a fish cycling by the sea, along with the slogan: "A woman needs a man like a fish needs a bicycle." An early example of something that went "viral", before anybody even knew what that meant.

But what lies ahead for the future of digital advertising? Colm finds out more for Talking Business.