I just returned from Australia and New Zealand where every outlet has a built-in power switch. I would really like to have them in the states too. I can't see

I just returned from Australia and New Zealand where every outlet has a built-in power switch. I would really like to have them in the states too. I can't seem to find a real reason why we don't. Perhaps the usage cost of electricity is less expensive in the U.S., or it's something Americans are just less conscientious about. There is a lot of speculative discussion in this thread http://www.apartmenttherapy.com/why-dont-us-outlets-have-built-110814 http://www.apartmenttherapy.com/why-dont-us-outlets-have-bui....