Delayed announcement: We've from the 2nd of February stopped all free upgrades. Thanks
Quid pro quo. We are working on you. And it's nice to have benefits from work. I don't use your hosting to download, and upload.
I'm still waiting points system to be implemented on uploadable. Users should benefit from sales in any way. And if uploader can generate enough sales - he can and should have free premium. 10 sales = 1 month premium id. But of course, only if user on PPD.