Google Glass was Google's way of getting a phone-like experience directly next to your eyeballs — calls, texts, cameras, and all. Was it good? Arguably not. Was it controversial? Oh, yes.
The cameras on the side of the glasses were able to record people without the recordee even knowing that they were being included in a video. People, as people tend to, didn't like that idea too much, and so beyond just being a strange, perhaps too-early-to-market product, the Google Glass's short life was mired in controversy.
