How Substack became the new book tour
# AI Foresights Summary Authors are discovering that Substack newsletters are surprisingly effective for selling books because newsletter readers are more genuinely engaged than people scrolling social media—they've actively chosen to receive your writing regularly. Instead of traditional book tours, writers like Lena Dunham are now doing interviews with popular Substack newsletters, treating them as a direct line to audiences who actually care about reading. A single newsletter subscriber apparently converts to book sales much better than thousands of Instagram or X followers, which explains why this platform is becoming a must-stop for authors promoting new work.
It’s hard enough to publish a book, but getting people to buy it is an entirely different battle. As new platforms reshape how readers gather and interact online, authors are finding that sometimes platforms built to showcase writing can also double as powerful engines for discovery. The most hig
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