0 the activity in which companies or organizations write to people to try to persuade them to buy their product or give money, etc.
1 advertisements that are sent through the mail to a large number of consumers:
Medical product and service firms compete, often relying on market research and direct mail sales to gain advantage.
I would advise against overdosing with direct mail.
Promotional expenditures are further divided into broadcast advertising (television and radio advertisements) and targeting media (newspaper advertising, direct mail, billboards, journals, and other advertisements).
This article examines those public interest groups that have grown through heavy advertising expenditure and sophisticated marketing techniques, most particularly direct mail solicitations.
If more information is required, direct mail, with its extra physical space, may be better suited.
An important aspect of this is the growth of direct mail, which in addition enables parties to by-pass the members in fund-raising and campaigning.
How one's personal data arrived in the hands of a direct mail marketer may be unknown.
It also wants to liberalize direct mail.