The notion that a 'picture is worth a thousand words' is particularly apt when looking at the explosive use of emojis in digital messaging. These ubiquitous symbols help people more accurately express how they're feeling and digital advertisers are using the icons to improve campaigns.

Attitudes to PINs and passwords are pretty lax; 25% of people use the same code for every card. Intelligent Environments is hoping to reinvent passwords, replacing numbers with a combination of four emojis. Can the fastest growing language come to dominate our PIN codes as they do our texts?

Fancy room service while staying at a hotel, but can’t bring yourself place a call to the front desk? Aloft Hotel has the answer. Its new service – named ‘Text it. Get it.' – lets your order via emojis. With the visual language more popular than ever, is this the future of room service?

Who needs words when you have emojis? Most Gen Yers now believe that these colourful symbols improve our ability to communicate, using them in the majority of all messages sent. In fact, almost three-quarters find it easier to express emotions with emojis than they do with words.