Apple has made the Touch Bar introduced in 2016 with the MacBook Pro part of every Mac user experience this year, making it available to anyone using an iPad and Mac combination in Sidecar mode.Why a Touch Bar?While there are lots of ways the Touch Bar on Macs can benefit users, the strongest use cases tend to be highly focused: media playback; video scrubbing; whizzing through track time lines; and creating and exercising Automator scripts.