From time to time, when you are a chat with other participants you may realize that somebody is missing the conversation
Well, while it has been possible to add participants to an existing chat, it was not so easy and involved few actions
Good news, it is now easier to do such thing by using the @; you already know that with the @ character you can mention somebody, well now you can also use it to add new participant to the chat
When you select the Add someone to the chat you can choose to also include the chat history (full or the last 1 day) or not