It's an interesting concept and agree with the lost email access issue. As for the other stuff (DNS, outage), it is a much bigger deal to loose these than an a

It's an interesting concept and agree with the lost email access issue. As for the other stuff (DNS, outage), it is a much bigger deal to loose these than an account at a 'nice to have' social website. But this coupled with two factor authentication to recognise new computers is a nice idea.