Comment by johnnygleeson

The initial reaction to portable headphones was probably similar.

"It celebrated its debut in July 1979 for about $200. Truthfully, many were skeptical if this portable audio thing would take off. "

https://blog.sony.com/2010/08/flashback-friday-tps-l2-walkma...

http://coolmaterial.com/roundup/history-of-headphones/