Remember The Good Old Days when all you needed to host a web site was a file system and Notepad (or emacs or TeachText)?
Self-hosted WordPress blogs can use some custom field hackery, but there’s no such option for us easy-way-out WordPress.com users.
Dropbox to the rescue
Just save your HTML page to your “Public” directory in Dropbox and it will get its own public URL which you can find in Dropbox’s context menu:
It’s not the ideal embedding I was hoping for — WordPress.com even strips out iframes — but it’s quick and easy and does the job.