Within hours of launching Connect DMs, Slack changed the new feature in response to users' concerns about potential abuse.
The popular messaging platform was down for most of the workday Monday.
It's Salesforce's largest acquisition yet.
Slack co-founder and CEO Stewart Butterfield talked with Kai Ryssdal about how his platform changes work.
Slack hopes it can repeat the success of Spotify's unusual public offering.
TacoBot, on the message service Slack, can settle arguments about lunch.