Growing your mailing list: 10 ethical ways to boost your subscriber numbers
The Next Web
SEPTEMBER 5, 2013
Growing your email list is probably one of the hardest things to do when starting up an email marketing campaign. Notifying your users by email of an event, a product, or anything you think might be useful is in effect providing a cost-effective and unique service to the user. 7: Use your existing email database.
128 
Let's personalize your content