Android Market - Large Package Uploads

I see that google has introduced a means for uploading large files onto the market: http://www.androidpolice.com/2011/05/11/io-2011-google-increases-app-size-limit-to-4gb-tweaks-th

Solution 1:

Does anyone know about this or where I can find some info on how to use this?

AFAIK, it has not been released yet.