Substack needs some network effects to keep authors tied to the platform, even if they can leave at any moment.  The best way to achieve that is through cross-promotion tools that allow authors to constantly gain new readers that they wouldn’t gain otherwise. That makes their presence on Substack truly valuable.

Chris Best, Hamish McKenzie, and Jairaj Sethi started Substack in 2017, but their history dates back years before. Chris co-founded the anonymous posting app Kik during his third year at the University of Waterloo (2010). He spent the better part of eight years at the company where he met his soon-to-be co-founders. When Chris left Kik in early

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