Narrowcasting is particularly useful as a commercial advertising tool.

A display stand is an advertising tool that has a direct impact on product sales.

The Web is becoming a popular advertising tool for former reporters now in the training business.

A second 2010 acquisition added Media Cannon, a developer of mobile advertising tools and technology.

As a result, bridge problems were often used as advertising tools.

"We sometimes have to struggle to communicate to local vendors that we're not just an advertising tool," she said.

As the Internet started to gain popularity in the early 1990s, it was quickly recognized as an excellent advertising tool.

A circulation of 40,000 copies per collection proved that this unusual advertising tool was indeed effective.

Even where the website is simply used as an advertising tool, it is still advisable to set out your terms and conditions clearly.

During this time, while still in Sacramento, the gigantic engine was used as an advertising tool by the railroad, to spectacular effect.