Using smiley  emojis in work e-mails could damage your . Research shows that if you put emojis in work , people might think you are . Researchers asked 549 people from 29 countries for their  to emojis. The  judged the competence and  of the e-mail writer. A researcher said: "Smileys do not increase  of warmth and  decrease perceptions of competence….A smiley is not a ."
Emojis are  misunderstood. In some , technological  can mean that an emoji displays  in e-mails. This is because the writer and reader use  software or operating . Emojis started in Japan in the late 1990s. They  became very . Over six billion of them are sent every  around the world. There is  a World Emoji Day. This is on July the 17th every year.