This is a placeholder site that Mark Jackson-Brown has created in order to activate a Google Adsense account.
It doesn't appear possible to enable YouTube monetization without an Adsense account, and it seems that a domain is a requirement for one.
Currently, I just have a redirect from my domain name to this site, which I hope is sufficient. Should my Youtube account start making mad $$$, I'll probably expand to a website worth paying real money for.

Oh. So now I see the way to do it directly from YouTube.
And it says don't create an Adsense account the normal way, and that I'll get denied. Ugh. Well, I guess I'll let this percolate for a few days.