UK banking service Intelligent Environments is introducing extra security to PIN codes, letting users access online accounts using emojis. With 480 times more permutations than traditional four digit codes, an emoji system is certainly secure. But is it a simple gimmick, or will it catch on?

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?

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.

What are you doing when you browse through Twitter? Chatting with friends? Perusing your feed for the latest news story or celebrity brawl? Retweeting a meme? Domino’s now wants the social platform’s 302 million active users to start ordering their pizza from there, too.