It's tempting to assume that sending more emails will increase the chances of subscribers buying from you, but that's actually not the case. The more the merrier doesn't always hold true. According to a survey by Technology Advice, 43% of email subscribers want businesses to email them less frequently.

One young entrepreneur is capitalising on fondness for old-fashioned communication by charging companies to write handwritten correspondence to customers on their behalf. Charlotte Pearce -- 24 and originally from Worcestershire -- launched Inkpact after meeting executives who felt that email was not a suitable medium for some types of business correspondence.

Researchers have created a computer program that can detect lies, be it an email, dating profile or visa application. The algorithm, created at City University London, can spot lies by analysing their word use, structure and context, according to the researchers. To create the algorithm, researchers compared text in tens of thousands of emails that contained lies and truthful contents.

A litigant has vowed to complain to the Solicitors Regulation Authority about a law firm that checked her personal emails to support a case against her. Sarah Lynette Webb was involved in a dispute with her former employer, an unnamed firm of solicitors, where she was an equity partner.

"Insider threat" has become a key focus of corporate security departments. Scout is a software tool developed by cybersecurity firm Stroz Friedberg that analyzes employees' emails and, according to the firm, can spot disgruntled or unstable workers before they go rogue.

The makers of these collaboration tools call email a "legacy" technology -- unwarrantedly trying to tarnish its image. But, in fact, all of us rely on email heavily throughout the work week. Contrary to what is often suggested in the press, email usage is still very much on the rise. Users trust it, are familiar with it and leverage it all day, every day, in their business and personal lives.

Email marketing is alive and well for brands. Over 60% of marketers are planning to use email marketing as their primary method of gaining new business, according to a new survey by Campaigner. The survey revealed that 39% of marketers send a thank-you-for-subscribing message and 50% of those companies say that 21% of their new subscribers engage with their welcome emails.