What Do Consumers Really Want in Smart Glasses?

Are you finally ready to hang a computer screen on your face?

Fifteen years ago, that would have seemed like a silly question. Then came the much-hyped and much-derided Google Glass in 2012, and frankly, it still seemed a silly question.

Now, though, it’s a choice consumers are beginning to make. Tiny displays, shrinking processors, advanced battery designs, and wireless communications are coming together in a new generation of smart glasses that display information that’s actually useful right in…