> I don't feel like I know enough about it to know just how good it will be for the average person. It's the successor of the work Google did with Yubico that

> I don't feel like I know enough about it to know just how good it will be for the average person. It's the successor of the work Google did with Yubico that eventually led to Fido U2F. Google did some user research about the rollout amongst their 50k employees at the time: [Security Keys: Practical Cryptographic Second Factors for the Modern Web](http://fc16.ifca.ai/preproceedings/25_Lang.pdf http://fc16.ifca.ai/preproceedings/25_Lang.pdf).