Stephanie Kapera HawkinsOctober 6, 2015 In August 2013, team communication app Slack launched in preview mode, garnering 8,000 signups within 24 hours. Two years later, Slack has 500,000 monthly users, $ 12 million in monthly revenue, and a rumored valuation of $ 2.8 billion. In a market crowded with options, how did Slack become one … Continue reading The Secret to Exponential SaaS Growth: Slack CMO Bill Macaitis Spills