A small and non-relevant repair: Wayne Westerman didn't built FingerWorks for his mom. He did it for himself, he has difficulty using keyboards for a long time.

A small and non-relevant repair: Wayne Westerman didn't built FingerWorks for his mom. He did it for himself, he has difficulty using keyboards for a long time. A designer at Apple had a temporary injury and used it. The rest of the team loved and used it to build a touch interface for the Mac, long before they even considered a phone. Source: The One Device, the secret history of the iPhone by Brian Merchant There is also the OXO vegetable peeler. It was designed for the creator's wife, she had arthritis. Then the whole company grew from that.