Especially useful for phone calls -- don't need to hunt for an empty phone booth or book a room. I used to have my own office working for an older industrial c

Especially useful for phone calls -- don't need to hunt for an empty phone booth or book a room. I used to have my own office working for an older industrial company. Now that I work for a tech company, it's all open concept. I have no problem focusing, but taking calls, especially private ones, is a pain.