Importance of Mobile optimized email marketing

This article is a couple months old, however still very relevant.
The article gives a great overview of the shift in industry trend towards mobile optimized email marketing. Something that is becoming increasingly important!
http://www.emarketer.com/Article/Market ... le/1009709
The article gives a great overview of the shift in industry trend towards mobile optimized email marketing. Something that is becoming increasingly important!
http://www.emarketer.com/Article/Market ... le/1009709