Well first off they are commonly used for special needs. "<span>What appears as simple as a button, the proper switch will open up worlds of access to communication devices, environmental controls, computer software and mobile devices".</span>
Refrence:https://www.especialneeds.com/shop/assistive-technology/switches.html
The Clovis culture was named by archaeologists after splint spearheads that were discovered in an area at Clovis, New Mexico last 1930s. The Clovis people are not the first one to to have come to America. They are believed to be hunters who made their way through Bering land bridge.