You don't need to spend a dime to stream your music library to another PC. All you need is Orb, a free service that turns your system into a killer MP3 server.
As you learned in last week's feature, Orb lets you access and play your music library from virtually any web-connected PC--and even some PDAs and smartphones. Today I'll show you how to configure Orb for media sharing (a process it calls MyCasting) and then how to rock out from afar.
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