"Even if email’s ROI is slipping (which is it), email still performs at 3x the return of social media and 2x that of search."
...An even more powerful deterrent to scaling back email than losing sales is losing share. Mindshare in the inbox is limited, like shelf space at Walmart. Every spot you give up, a competitor may well take.
Read more: http://www.mediapost.com/publications/article/197231/the-prisoners-dilemma-that-is-email-marketing.html#ixzz2QNjtuxf6
Photo: by Sean MacEntee, Flickr