#2
Slack
Failed game → $27.7B acquisition. 750K+ orgs. Replaced email. Created channel culture.
Slack originated from a failed video game, Glitch, transforming its internal chat tool into a productivity revolution. Launched in 2013, it reached a $27.7 billion valuation when Salesforce acquired it in 2021 — the most expensive pivot from a failed game. Slack serves 750,000+ organizations, replacing email with 'channel culture' for searchable, organized, asynchronous work. However, its notifications often shift email anxiety into a persistent digital stress.
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