Intermission: Watch a Woman Hear Her Voice for the First Time

In this poignant video, a woman in her late 20s who was born deaf hears herself speak for the first time after receiving a cochlear implant. 

We sometimes forget that amazing technology isn't limited to consumer gizmos and gadgets. There is no app for changing lives, but there are inventors and companies out there who use technology to do exactly that. The roller coaster of emotions this woman experiences are a testament to what happens when they succeed.