And if a call is more straightforward, team chat apps often include conference calls, video chat, and screen-sharing tools.
Its emoji-based reactions are a super-powered version of Facebook's ubiquitous Like button.
There will typically be a group for random discussions, along with groups for each team or topic your company is discussing—and maybe a few fun groups about pets and music and other fun stuff.
Groups typically are public where everyone can join in.
And its conversations tool let you turn any chat message into a mini-channel about that one topic.
Slack's even great beyond work—or for juggling multiple jobs at a time.
Slack's the 900 pound gorilla in the room, the team chat app you've most likely heard of and tried already.