Envelope

It is a popular emoji, and is used by people of all ages. It is most commonly used on Twitter, Instagram, and Facebook. This is not a rude emoji, and is often used to represent a message being sent or received.

The history of this emoji dates back to the early 2000s, when it was first introduced as part of the Unicode Standard. It was first used in the Japanese mobile phone provider, DoCoMo, and was then adopted by other mobile phone providers. It quickly spread to other platforms, such as Twitter, Instagram, and Facebook. It has since become a widely used emoji, and is often used to represent sending mail or a message.