The other thing Notion has that’s tough to replicate is the network effects. Enough “influencer” type people use it that there’s a pretty rich universe of ready

The other thing Notion has that’s tough to replicate is the network effects. Enough “influencer” type people use it that there’s a pretty rich universe of readymade and shareable templates and workflows available for other users. These can be replicated in similar applications, but that takes work. The fact that it got popular with productivity influencers seems pretty key to its initial and sustained popularity, even if it’s performance and the general clunkiness of its interface is frustrating.