Consumers are engaged in a high-tech arms race to destroy your marketing efforts. Spam filters kill your unwanted e-mail messages, ads are unseen on Web sites due to pop-up blockers, television ads are cut with video recorders, and caller ID screens calls from telemarketers.

Four days after the opening of the Federal “Do-Not-Call” registry, 10 million people had signed up on the Web and in one year it had grown to more than 62 million. Technology may be causing you to pour valuable marketing dollars into hyperspace, never to be seen again.