E-mails were once exclusively text-based, so marketers focused on compelling writing to make conversions. Thanks to improvements in message capabilities, effective e-mail marketing strategies depend on visuals more than ever before, and predictions indicate that this will only increase in 2016. A big part of this shift is the increased popularity of emojis. These little text-based pictures are so popular the “tears of joy” emoji was named the 2015 Word of the Year by the Oxford Dictionary. No, we’re not kidding.