Seems pretty offficially supported in this blog post from Nov 2012
http://googleappsdeveloper.blogspot.com.au/2012/11/announcin...
and the associated drive SDK for publishing web content https://developers.google.com/drive/publish-site
and the associated drive SDK for publishing web content https://developers.google.com/drive/publish-site
In that if its unpopular or not to Google's expectation, they'll kill it all of a sudden.