When you're creating posts, there are things you learn very quickly about how to use Substack, but after you've been using it ...

Substack is taking one more step towards becoming an all-in-one social media / creator platform by adding a vertical video feed to its app. Technically, the new TikTok-style feed is a redesign of the ...

Substack, originally a newsletter service, says its app now has millions of users interacting with its creators. By Benjamin Mullin and Jessica Testa Substack began its life as a buzzy newsletter ...