As the iPhone 6 and iPhone 6 Plus introduce larger screen sizes to the market, it’s important to know what these changes mean, and how they will affect the way that recipients see your emails.

Ding Ding! Round (Q)3 of our favourite emails is upon us and we’ve decided to keep things simple and pitch two heavyweights against each other. Just pick a champion from these two contenders:

In promotional messages, the call-to-action (CTA) can make or break the campaign results, so marketers are keen to find the perfect combination of its positioning, color, size, style and wording to optimize conversions. In this test, we chose to test wording -€“ specifically the hypothesis that giving the impression of an ultimatum would be more likely to elicit a response.

Subject line: 3,2,‘1 go! PANDORA on sale up to 70% off, hurry! Plus, Rituals gift sets, BODUM electricals, Snuggledown duvets & pillows, Copenhagen Candles & more

Keeping your email subscribers engaged over the long-haul is one of the biggest challenges for email marketers. Inevitably opens, clicks and transactions tail off over time as the initial novelty of joining your list starts to wane, and acquiring new subscribers can be costly. That’s why reactivation programs have long been employed to try and reduce long-term subscriber apathy and ultimately, list churn.

Now that the dust has settled on the Christmas rush and marketers are looking forward to 2014, we thought it was time to take a look back at 2013 and recap some of the key themes that emerged in email marketing.