Email inboxes are competitive places — cutthroat arenas in which businesses compete for valuable attention. Over 100 billion business-related emails are sent per day, and that number is only expected to grow. Email's popularity as a marketing tool is holding strong.

Social marketing campaigns that go viral receive a huge amount of attention not only on social media sites but also in the traditional press. When campaigns take off — through a combination of thoughtful implementation...

Mar 21