The article is easy to read with plenty of samples to illustrate his points. It’s a little scary too, I confess. Even as a seasoned email marketer, I’m constantly amazed at how different results can be in different email clients! This article illustrates that point really well.

It’s also yet another reminder that the only way to ensure your emails look and act the way you intend them to once you send your email marketing campaign is to test, test and test.

Think of it this way: If you don’t test, you don’t need to worry about your email marketing ROI, because there won’t be any to speak of or point to when it’s time to argue for next year’s budget!