What Do You Find Most Shocking About All of These Contraptions?

The sheer variety was overwhelming really. There were so many and seeing almost ridiculous like why are they all like fighting for the same market? And why were deaf people even seeing this as an option when we think about the dangers of sending electrical soldiers directly to your ears or believing that radium or vibration, if you put them in your ear long enough, would move accurately to the cure, your deafness. But I think there's something what I saw when I was doing this research was that this kind of trust in the technology.