The smiley emoji, often represented as a yellow face with two eyes and a smiling mouth, is a popular symbol used in digital communication. It conveys happiness, friendliness, and positivity, making it a common choice in text messages, social media posts, and emails. The smiley emoji is part of the larger set of emojis that enhance emotional expression in written communication. Introduced in the late 1990s, the smiley emoji has evolved with various designs across different platforms, such as Apple, Google, and Microsoft. It is often used to lighten the tone of a conversation or to express joy, making it a versatile tool for connecting with others in the digital age.