It's not a matter of "bringing Uploaded back". Uploaders choose which services they want to upload to, i.e. Rapidshare, Uploaded, Nitroflare, etc. It all depends on the choice of the Uploader.
You can buy bitcoins via a merchant.
Bitcoin is simply a medium for exchanging goods or services.
Bitcoin has the advantage of almost zero fees anywhere to anywhere (although I've noticed the hosting sites still add big fees, less than visa/MC etc of course).
Bitcoin is likely to be more and more common in the coming years.
One alternative would be to check with the exact name of the post and the keyword "uploaded.net" (including the double quotes) in google. Chances are that you'll find it in another posting site.
Yeah, I wish more uploaders would use uploaded.net instead of the nasty nitroflare.
You can use free multihosters(there are 100s for Rapidgator but you need to go through ads).