Episode Summary
Executive Summary: Chris Best, founder and CEO of Substack, explains how his experience building Kik shaped Substack’s mission: to realign incentives in online publishing so writers can earn directly from readers, produce better work, and rebuild trust in media. He argues the internet has made attention abundant but trustworthy signal scarce, making Substack’s paid-plus-free model a durable alternative to ad-driven media.
Main Topics: Origin story: from Kik to Substack (Priority: 5/5): Best recounts learning at Kik that communication tools shape culture and user behavior, which led him to think deeply about incentives and eventually to build Substack after experimenting with writing and critiquing the media ecosystem. Why Substack's business model works (Priority: 5/5): He contrasts Substack’s direct-reader subscription model with the failed economics of media and micropayments, arguing that recurring subscriptions create clearer value, better incentives, and sustainable revenue from the start. Media decline, COVID acceleration, and trust (Priority: 5/5): Best says the decline in traditional media is structural and predated COVID, but the pandemic accelerated it. Substack benefited because people had more time to write and read, while trust in sources became more important than content volume. Incentive design and quality of culture (Priority: 5/5): A core theme is that systems reward behavior. Best argues ad-driven engagement systems incentivize clickbait and low-trust content, whereas paid subscriptions reward writers for serving readers with high-signal, valuable work. Discovery, scarcity, and the future of media (Priority: 4/5): Best frames discovery as a signal-to-noise problem rather than a shortage problem. He sees a future split between large media institutions and highly targeted niche creators, with Substack serving the latter especially well. Product expansion, bundling, and limits (Priority: 4/5): He says Substack has many potential adjacent opportunities, but the priority is to perfect the core writer-reader product first. He sees bundling as a future possibility if reader subscription fatigue becomes a real constraint. Founder/CEO lessons and company building (Priority: 4/5): Best discusses becoming a CEO, hiring missionaries over mercenaries, relying on YC advice for fundraising, and building a team with outside perspective. He emphasizes thoughtfulness, decisiveness, and team quality.
Key Arguments: Tools for communication shape culture by rewarding specific behaviors; therefore product design is inseparable from social outcomes. Substack works because it has a business model from day one: recurring payments from readers to writers. Micropayments fail because the decision cost outweighs the small financial transaction. The internet made attention abundant, but attention itself is now the scarce resource; people will pay for trustworthy signal. Paid subscriptions do not conflict with public writing because authors can still publish free pieces as top-of-funnel content. The media ecosystem is likely to polarize between large generalist institutions and highly specialized niche creators. Incentive structures matter more than rules layered on top of a bad system; changing the game is better than trying to patch it. A writer-centered monetization model aligns creator effort with reader value and should produce more trustworthy culture. Substack should focus on perfecting the core writer-reader relationship before expanding into adjacent products or services. Hiring people who deeply believe in the mission is a competitive advantage in talent-rich markets.
Data Points: Funding raised by Substack: Over $17 million - Capital raised from investors including Andreessen Horowitz and Y Combinator. Funding raised by Kik: Over $220 million - Kik’s total funding from investors such as Spark, Tencent, and USV. Time at Kik: Almost 8 years - Best says he spent nearly eight years at Kik before leaving. COVID effect on growth: Accelerated growth - Best says Substack’s growth trajectory improved materially during the pandemic. Average startup savings from Main Street ad read: More than $50,000 - Sponsor claim about tax credits and incentives for startups. Time to use Main Street: Less than 30 minutes - Sponsor claim about ease of accessing startup tax savings. Discount for Main Street: 25% - Offer mentioned for listeners who sign up through the podcast link. Benchmarks analyzed by Pendo: More than 1,000 software products - Sponsor claim about its product performance benchmarks site. Number of categories in Pendo benchmarks: 5 - Sponsor claim describing product benchmark segmentation. Timing reference for CEO role: 3.25 years - Host references Best’s tenure as Substack CEO based on LinkedIn. First outside money at Substack: Julian Frackman and Ted Livingston - Best names the first outside investors who backed Substack.
Pivotal Quotes: "you can't really change human nature... but despite not being able to change that, you can change the behavior that gets rewarded" — Chris Best: Explaining the insight from Kik that led him to focus on incentive design in online systems. "the thing that matters is: can I trust this?" — Chris Best: Describing the core problem in modern media as trust rather than information scarcity. "If your underlying algorithm is maximizing for engagement, you're not going to be able to like turn up the don't make bad content dial" — Chris Best: Arguing that platform harms are rooted in incentive structures, not fixable with superficial policy tweaks.
Implications: Substack represents a structural shift from ad-driven media to direct reader funding. For creators, it offers stronger incentives and sustainable income; for audiences, it prioritizes trust and signal over volume. The broader media market may split further into giant institutions and niche subscription businesses.