They laugh, they cry - and their expressions can be worth more than a thousand words. Emojis are hugely popular in social media and messenger services alike. What impact are they having on communication?The first emojis were created in 1998 by a Japanese mobile phone operator. Their spread across the globe, however, did not come for another 13 years - when Apple incorporated the pictograms into its operating system. Some of the most popular emojis were developed by an Austrian graphic designer.