TikTok is full of inspiring videos. Inside Edition Digital brings you stories about a 16-year-old who teaches math on TikTok, a dad who dances until his preemie son goes home from the hospital and a window washer putting smiles on people’s faces as she works. There’s also a 20-year-old Irish Step Dancer who moves to hip hop songs. She even caught the attention of Riverdance. Inside Edition Digital’s Leigh Scheps has more.