Naval: @sam_atis @erikphoel 捆绑肯定有经济盈余，但 Substack 可以创建更大的捆绑集。挑战在于以一种保持低心理交易成本的方式对它们进行品牌化。

原推：@sam_atis @erikphoel There is definitely an economic surplus to bundling but Substack can create a larger set of bundles. The challenge is to brand them in a way that keeps mental transaction costs low.
https://twitter.com/naval/status/1579567654020710401