This feature lets you add people to a channel.
How it works:
Go to the channel you want to add people to, click on profiles to view the member list. Search for the username of the member you want to add and click on add.
It will appear like the following upon adding people-
Adding members serves the purpose of adding concerned team members of a project to the dedicated channel. In case reshuffling occurs and members are given new projects to work upon, you can add the concerned members yet again.
Members can be easily searched for and added in various channels. In case you are expanding your team for a particular project and want more members to work upon the project, you can add the concerned members in the dedicated channel using this feature.