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?

With just 7% of communication being attributed to spoken words, and the remainder down to body language and tone of voice, it’s easy to see why communicating online has been described as cold and impersonal. Emoticons, emoji and stickers are helping make digital communication a bit more human.

While WhatsApp wins over the West and WeChat conquers China, messaging app LINE has taken Japan by storm. With 400 million users worldwide, and 52 million in Japan alone, LINE's bright and vibrant customisable stickers are hugely popular – but can they really replace text?

From the viral popularity of 'kaomojis' like ¯\_(ツ)_/¯ or the fact that messaging app LINE made $17 million from stickers in the first quarter of 2013 alone, people have grown accustomed to depicting their emotions with images. But what if you could use your own face to do it?