The Chicago startup began with an algorithm and a bad assumption about its customer. Its pivot from grading violinists to teaching adult beginners is a useful playbook for any founder turning expert craft into software.
Skillest is a mobile marketplace that connects students with elite sports coaches - primarily in golf - for one-to-one remote video lessons. Players film a swing, coaches reply with annotated video, voice notes and drills, and improvement happens without a tee-time.