Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
marketing services that one company provides for another, which involve communicating directly with consumers, for example by phone, mail, or on the internet:
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions