The really useful part is just natural language recognition, which is much better than previous things. Using it in games or software would be a big improvement.

Text has always been insecure. An authenticator app is better.

I tried a yubikey but most websites want you to use the pin for that which requires windows hello, and if you reset windows you lose that.

At this point, it is useful for doing some specific things so the way to make it great is making it cheap and accessible. Being able to run it locally would be way more useful.