Uploading in background thread in iOS

I know it's possible to do a few things on the background thread - VOIP, locatio开发者_StackOverflow中文版n and audio. How about uploading? Can I upload in a background thread? If so, how?

Thanks!

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Yes of course. That's a great use of a background thread. If it's Http you're using this library is very useful. It's http://allseeing-i.com/ASIHTTPRequest/