New Exacttarget Marketing Cloud 2014 State of Marketing study by salesforce.com with really bad news. Even more promotional emails to be expected in 2014 :
67 percent of marketers say that email is core to their business and the best path to increase marketing ROI. 57 percent of marketers plan to increase the number of emails they send out in 2014 with 49 percent of respondents planning to send over a half a million emails in 2014. Expect more email in your inbox not just enticing you to join their networks but to engage you with promotions, new products, loyalty programs and prompt you to finish that shopping cart you abandoned.
via 2014 State of Marketing: Email Flood Despite Rise Of Mobile And Social – Forbes.