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Barbara Richleft a comment
In any social application, and even more so in a messenger, the main point is users' support. This includes responses to complaints and the assembly of feedback for future updates. So small messengers need to have one of these. If you are new to this, I would recommend an outsourced customer service. They are professionals, and you will understand what is going on very quickly.
The Business Messenger by IntercomMore than just chat. Intercom's new app platform.