House Digest on MSN

Why Do Some Outlets Have Red And Black Buttons? Here's What They Actually Do

If your outlet has red and black buttons, it's likely in the kitchen, bathroom, or garage, and those buttons serve an ...
XDA Developers on MSN

Someone discovered the reason why controllers use "A, B, X, Y" buttons, and it was answered 32 years ago

A/B marked primary buttons, X/Y marked secondary buttons. A 1993 Nintendo Power Q&A confirmed the CAD origin of the ABXY labeling. Nintendo kept ABXY; Microsoft swapped A/B positions — switching from ...