Add-ons for the popular email newsletter services Mail Chimp and Campaign Monitor are now available for purchase and download. These add-ons allow you to add a simple checkbox to your checkout form that, when selected, will sign users up for your mailing list.
Both extensions are very simple, but very effective. It has been shown many times that including an option for users to signup for your mailing list during checkout dramatically increases your list growth.
Each add-on is just $12 and can be purchased from the Extensions page.
