Mention your advertising in your direct mail. Refer to your direct mail in your telemarketing. Plants the seeds of your offering with some kinds of marketing and fertilize them with other kinds. You re not really promoting unless you re cross-promoting. Your trade show booth will be far more valuable to you if you promote it in trade magazines and with fliers put under the doors of hotels near the trade show.
Guerrillas try to market their marketing.
Your prospects, being humans, are eclectic people. They pay attention to a lot of media so you can t depend on a mere one medium to motivate a purchase. You re got to introduce a notion, remind people of it, say it again, then repeat it in different words somewhere else. They get it with they combine several media. They enclose a copy of their magazine ad in their mailing.