Emoji reactions let you quickly respond to a message. For example, 👍 is commonly used to express agreement or confirm that you've read the message. Any emoji can be used as a reaction, including custom emoji. Reactions appear at the bottom of the message. | For messages where few users have reacted, the names of users who have reacted are displayed directly on the message if the option to do so is enabled. | The reactions view lets you see all of your messages that have received at least o...