Discrimination in the private sector is not directly constrained by the Constitution, but has become subject to a growing body of federal and state law.
Switch Access lets you interact with your Android device using one or more switches instead of the touch screen. Switch Access can be helpful for people with dexterity impairments that prevent them from interacting directly with the Android device.
Chapter 1. Basic Switch Operation. What an Ethernet Switch Does. Ethernet switches link Ethernet devices together by relaying Ethernet frames between the devices connected to the switches. By moving Ethernet frames between the switch ports, a switch links the traffic carried by the individual network connections into a larger Ethernet network.