Have you noticed your inboxes are filling up faster lately with promotions from businesses desperate to get your attention? If you're getting bombarded with multiple promotions, then your first inclination is to just tune them out, click delete and move on to the business of the day.
When the economy is down, businesses tend to get desperate, and the knee-jerk reaction is to increase the frequency and volume of their customer communications. It seems like a simple solution just to e-mail customers more often, but that's the opposite of what you should do.
Source: CRM Buyer