53. The non-transitory computer-readable medium of claim 30 , further comprising program code for causing a computer to perform a method comprising: capturing a demonstration video feed depicting a location at which the practical skill is being performed by others; and allowing the teacher to selectively transmit the demonstration video feed to one or more of the learners for display on display screens at the respective learners' locations.
56. The non-transitory computer-readable medium of claim 53 , wherein the location at which the practical skill is being performed is a hair salon.