60% of business decision makers said Internet and e-mail are the best ways for advertisers to reach them. (Jupiter Research, 2007)
Prediction: By 2009, 60% of e-mails will not be read inside the inbox. Email will be read on mobile devices, handhelds, inside social networks, RSS readers browser toolbars, and via phone. (ClickZ Email Marketing Conference, 2007)
Opens – The actually opening of the e-mail message
Clicks – When the customer clicks a link within the e-mail that takes them to your site.
Bounces – When the e-mail bounces back – bad addresses, address entered incorrectly.
Conversion rates -- typically calculated by dividing the total number of conversion transactions or orders placed resulting from your e-mail campaign by the total number of visitors or mailing list referred by your e-mail.
Email delivers the highest ROI among marketing vehicles by an eye-popping margin: a whopping $57.25 for every dollar spent n it in 2005. (Direct Mail Marketing Association, 2006)
E-mail is delivering sales at an average cost per order of less than $7, compared to $71.00 for banner ads, $26.75 for paid search and $17.47 for affiliate programs, according to Shop.org. (State of Retailing Online 2007)