Home » BBC News - Technology » technology news » Microsoft Teams challenges work chat rival Slack Microsoft Teams challenges work chat rival Slack Unknown 11:20 AM BBC News - Technology technology news Microsoft unveils a workplace chat tool that resembles Slack, a popular app from a Canadian start-up. from BBC News - Technology http://ift.tt/2ff05h0 Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati