On this episode of 'Cheddar Innovates': Playground Sessions CEO breaks down how the platform is teaching people of all ages how to learn piano in an interactive, community-driven method featuring music legends like Quincy Jones and Harry Connick Jr.; Nimble CEO explains how the device uses artificial intelligence to paint and dry nails in under 10 minutes, and what this technology means for the growing nail care market; A look at CuriosityStream's 'First Human Link.'