Like Google, Facebook, Apple... Make it possible for websites to make a Login with Firefox option available so we have a trusted privacy preserving option given to us (and give Firefox some visibility)
If I can also pay with Firefox account not only to sign in, then I will be a Firefox member proud to be. Yet, we may need also to create an email account like AT firefox.com to book my ticket for the Moon as wealthy as the first man who will land on the Mars Planet in 2030, we are only 6 years left before the lift off.