With some retailers providing one-hour delivery and free returns, shopping online can seem like the ultimate convenience. But people still need to try clothes on to find their perfect fit. Amazon's AR mirror aims to help people visualise how they'll look in a new outfit without the hassle.

Ralph Lauren's Polo flagship store in New York has introduced smart dressing rooms. Complete with interactive lights and mirrors, the rooms give customers a heightened shopping experience. But more importantly, they collect a wealth of important information for the retailer.

Online sales account for just 17% of spending on denim in the US – no surprise given that finding the perfect fitting jeans can require multiple store visits. Levi’s aims to change that with its Virtual Stylist, a chatbot that learns a user’s ideal style and fit before making recommendations.

Vanity sizing can make shopping for clothes slow, frustrating, and potentially damaging to one’s self-esteem. True Fit believes it has the solution. Collating information from around 10,000 brands across the globe, it’s helping people find the right size for them, whether buying online or in-person.