Research says using smiley face emojis in work e-mails could jeopardize your billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year . A university in Israel reports that people putting billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year in work mails are billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year to be thought of as being billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year . Researchers did billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year on 549 people from 29 countries to check their billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year to emojis. The people had to evaluate the competence and billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year of the e-mail writer. Dr Ella Glikson said: "Contrary to actual billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year , smileys do not increase perceptions of billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year and actually decrease perceptions of billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year ….In formal business e-mails, a smiley is not a smile." Other billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year shows that emojis are often misunderstood. This is related to how the reader or billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year understands the emoji. In other billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year , technological problems could mean that an emoji typed by the writer is shown billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year in the e-mail read by the reader. This is because the writer and reader use billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year software or operating billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year for their billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year . Emojis started in Japan in the late 1990s. They billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year became very popular. More than six billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year of them are sent every day around the world. There is even a World Emoji Day, which is on July the 17th every billion career cases competence devices different differently emojis experiments incompetent likely quickly reaction research smiles system viewer warmth year .