Let you down.

but

It's probably like that to double as an anti-suicide net.

"Err..sorry miss..we're gonna have to recharge you bra, so could you kindly take it off?"
"But you said that 5 mins ago!"
"I know..but its made of..lithium..mium..laser cells.."
"Well, okay if you say so.."
schwing!

In an attempt to see boobs for the first time, engineers at Microsoft...

The bra was outfitted with a gyroscope and an accelerometer as well as an electrocardiogram and electro-dermal sensors to monitor stress. The bra communicated with a smartphone app to help track moods and stop emotional over-eating.