Frowning face

This emoji typically conveys sadness, disappointment, or despair. It is very popular and is used by people of all ages, though it is most commonly used by younger generations. It is most commonly used on social media platforms such as Twitter, Instagram, and Facebook. This emoji is not considered rude and is often used in a lighthearted manner.

The sad face emoji has been around since the early days of Unicode in 1995. It was initially designed to be used in digital communication, but it has since become a popular way to express emotions in social media. The emoji has been used in various contexts, from expressing disappointment to showing sympathy. It has also been used to express sadness in response to news stories, or to show solidarity with those affected by tragedy.