Observers noted that the kits' popularity 'spread by word of mouth rather than by direct advertising'.

The review discovered that direct advertising through mobile phones was the marketing tool that the highest proportion of parents - 35% - believed was wrong.

For one client we adopted a multiple market-entry approach and combined direct advertising with two third-party outsourced solutions.

Rather than relying on direct advertising, the company focuses on unconventional advertising to reach out to customers.

Examples are circulars that are not of a personal nature (e.g. mass general public advertising, direct advertising mailing campaigns).