Building a list for the long term

Mark Brownlow asks 2 key questions senders should be thinking about for their list building strategy for 2009.

What do your emails offer that people can’t get from any other email list?
If a competitor started offering the same content or similar offers, why would subscribers stay with your list?

Discounts and coupons may generate short term subscriptions, but Mark discusses if they are the way to generate long term loyalty and subscribers.