We send out email newsletters for a number of our clients, so this Marketing Profs article on email marketing was of interest to me. While the article focuses more on spam regulations and metrics, and my primary focus is usually content, it provides some good reminders including - email marketing isn't dead, but we need to consider other technologies such as RSS to send out information.
Just because email marketing is alive and well doesn't mean you should stop investigating new forms of content delivery. Integration has become the watchword in e-commerce, with the realization that the more channels you offer the shopper, the more they'll spend and the more shoppers you'll get. That's a lesson email marketers can learn.