From @by_caballero:
> the idea is to detach the Actor object (which could be operated by a microserver that consumes almost zero resources, and basically just operates a big redirect table like a link-shortener) from the Service Provider, to be a little more like
> email (in the use case where you point a domain that you own and configure at protonmail or mailgun or some other provider)
> or SMS service (in that regulation enables you to keep your number when you switch phone co’s).