Otter.ai has been successful in reducing the time to the 'aha' moment in B2B SaaS.Otter.ai introduces set-up tasks in a step-by-step manner to users within 5 mins from the landing page.They use a paywall at the start and end of onboarding to drive conversion and have a freemium + free trial model.Calendar sync is repeatedly emphasized as a leading indicator for activation and retention.