CNET UK pays homage to the “off switch”.

#3 – The illuminated rocker switch
The trusty rocker switch is an age-old classic. Found in everything from computers to dishwashers, the rocker switch boasts flexibility. Not only can it be placed in a traditional on/off environment, but it can also be purchased in variants that allow a third state. It’s this out-of-the box thinking that has kept the rocker popular for so many years.

Peep the full list here.