Everybody’s raving about Substack. But what exactly is all the fuss about?

And – more importantly – will it actually help your business?

Substack has been called the future of email marketing. But it has limitations. So before you dive into the Substack rabbit hole, I’m here to show you what those limitations are, and whether it makes sense to go all in.

Substack in 2026: What It Is, Why It’s Surging, and What’s Next If you still think of Substack as “that newsletter app writers use,” you’ve been left behind. In 2026, Substack is a full publishing platform with video, live audio, a dedicated app, and a discovery engine that puts creators in front of readers who’ve