Without a doubt, the most important benefit to email marketing is the fact that it will reach the intended recipient 90% of the time. So if you craft a highly targeted email that is interesting to the intended recipients, you can be assured that most of them will have the opportunity to see it. Compared to social media, this is an extremely high metric.

A Nigerian man thought to be behind "thousands of online frauds" worth up to $60 million (GBP45m) has been arrested. Known only as "Mike,"' the man faces charges of hacking, conspiracy and obtaining money under false pretences after he was arrested in southern Nigeria. It is believed the man, 40, was the "head of a network" of 40 criminals across Nigeria, Malaysia, and South Africa.

The constant need to check email is the tradeoff the modern workforce has made for the ability to work anytime, anywhere -- thanks to smartphones and tablets that keep us always connected. But three university researchers have found that it's not just doing a bit of work after hours that causes burnout. The true culprit is actually the constant worrying about off-hours email.

The information commissioner has launched an investigation after the personal details of nearly 500 people who had complained about an article in the "Sun" were exposed by the press watchdog. The complainants were all copied into an email from the Independent Press Standards Organisation (Ipso) informing them that their complaints would not be taken forward.

Research from Campaign Monitor found that marketers have noted a 760% increase in revenue from segmented campaigns. Don't treat all contacts the same! As opposed to sending the same email to your entire list of contacts, create unique segments that will allow you to personalise the content you send to each segment.

SwiftKey has shut down the cloud synchronisation feature of its keyboard app after people reported seeing strangers' email addresses and phone numbers on their phone screens. The Microsoft-owned biz insists there isn't a problem with its security. For the past few days, users have complained that SwiftKey's next-word prediction bar has been suggesting other people's email addresses.

Marketers have long waited for ways to reach these veins of high potential. Forrester's Global Email Marketing Customer Reference Online Survey found that 66% of email vendors put precise segmentation capability at the top of their wish lists. In 2015, the Direct Marketing Association shared that segmented and targeted emails generate 58% of all revenue.

You should always be optimising and retesting your various email campaigns. A/B testing campaigns are easily run from your mailing list provider. You can harvest detailed stats and begin to refine your future campaigns. Effective testing will help you to make sure your strategies remain as potent as they were before. It will stop you from allowing the email marketing world to leave you behind.