https://www.smartersubstack.com/p/substack-just-gave-you-a-sidebarSmarter Substacken2026-04-09T19:00:55+00:00Substack just gave you a sidebar. Use it.https://www.smartersubstack.com/p/notes-not-working-heres-whySmarter Substacken2026-04-08T19:02:08+00:00Notes not working? Here's why