The What, When and Who of Successful Emails

There are three factors that can make or break your email marketing campaign: what you put in it, when you send it, and who markets it. Constant Contact, an email marketing analytics company, shares how marketers can improve their email programs in the infographic below.

Source : http://www.emarketingandcommerce.com/article/the-what-when-who-successful-emails/1