“The next centric circle outside of dyslexia was ADHD and then low vision and autism and concussion and anxiety and second language learners. Today that's about 25% of our user base — 75% are neurotypical people: doctors, lawyers, accountants, people in the military, executives.”

Concentric-Circle Audience Expansion — Start Niche, Grow Outward in Rings

Speechify started with dyslexia, then expanded ring by ring to adjacent groups with similar needs — ADHD, low vision, second-language learners — before eventually reaching neurotypical professionals. Each new ring was already primed by word-of-mouth from the previous one. This planned concentric expansion let Cliff keep deep product focus while systematically broadening the addressable market without losing the origin story.