People move, change lifestyles, or switch to the competition for no apparent reason. Most studies say 1 out of every 5 customers vanish every year. By the year 2000, business will survive only if they recognize these trends and take fast action. Marketers relying on traditional mass marketing will die a quick death. All of the mediums above work, but it's too expensive.
Telemarketing is despised by recipients.
Plus consumers will go nuts if they pick up the phone and see a salesman pitching them. Consumers with email addresses quickly dismiss email advertising with the click of one keystroke. Plus, text only advertising is not very appealing. Politicians, looking for a new cause, are trying to make unsolicited email illegal to send. Faxing incurs phone costs.