Slack confirms it has raised $427M at a post-money valuation of over $7Bhttps://techcrunch.com/2018/08/21/slack-confirms-it-has-raised-427m-at-a-post-money-valuation-of-over-7-1b/ by Manu1987 • 8 years ago 132 198 8 years agoTEtechcrunch.com