The Number 118 118: They came, they saw, they conquered

This paper shows how advertising created a phenomenon in the dull world of directory enquiries, propelling an unknown player into market leader within a matter of months. By focusing on the period when consumers still had a choice of calling 192 or the new 118 numbers, it provides a straightforward, open and shut case for advertising effectiveness showing an ROI of £45.4m on an investment of £13.5m