We at least use one internally at my big corp. It's nice because instead of routing to some non-vanity URL that looks more like a raw Azure host, we can registe

We at least use one internally at my big corp. It's nice because instead of routing to some non-vanity URL that looks more like a raw Azure host, we can register x.company.com/whatever to redirect to it. Can only access the links and shortener from inside the firewall.