TL;DR: You have it when a defined group really wants what you built — and proves it through retention, referrals, or repeated use.
Without it, growth tactics are fuel poured on confusion.
Slack did not win because it had more features than email. Teams kept using it because communication became faster and less painful.
Calling early curiosity or press attention “fit.”
You have it when a defined group really wants what you built — and proves it through retention, referrals, or repeated use.
You are here because this concept becomes more useful after Customer Truth and before Pricing Power.