Slack now has 2.3 million daily active users, 675,000 paid seats, and 280 apps in its directory

Team communication app Slack is 2 years old today. And the app has picked up some seriously impressive growth in that time period: It now has 2.3 million daily active users, up from 2 million two months ago. Slack currently has 675,000 paid seats, up from 570,000 in December, and is generating more than $64 […]