Wearables firm North is making its augmented reality-enabled smart glasses available to purchase online. Consumers with an iPhone X or above can use the brand's Focals Showroom app to virtually try on the glasses thanks to the device's TrueDepth camera and ensure a correct fit.

In the second article of this three-part series on influencer marketing, Kent Lewis outlines a framework for marketers that covers identifying objectives, target audiences and the right platforms for influencer campaigns. He offers advice on how to evaluate, negotiate with, manage and measure the performance of influencers.

Influencer marketing may suffer challenges such as fraud but it's also experiencing huge growth and is a must for any marketing strategy, Kent Lewis writes. In this part one of a series, he outlines a range of research and statistics proving the growth in influencer marketing, its strong return on investment, its resonance with consumers and advises that "influencers and brands need to get creative with content and measurement."

Online reviews are a primary source for consumers in their decision-making process, which is why marketers must create a solid framework to successfully manage their brand's reputation, writes Anvil Media's Kent Lewis. He advises how to create a robust digital foundation, covering SEO, social, pay-per-click ads, influencer marketing and public relations, before explaining how to create a strategy to manage online reviews and encourage positive recommendations.

Effective leaders need to realize that there is a difference between how they perceive the world and how the world actually is, writes Ted Cadsby of TRC Consulting. This approach, called "constructive realism," encourages leaders to take a careful, thoughtful approach to the complex problems they face. "For business leaders it means engaging as many perspectives as possible before charting a strategic course," he writes.