"I'm sure it's just a coincidence, but Windows 7 shipped around the same time I got married, and it includes a fascinating new technology called HomeGroup. Its goal is really simple: get all your home computers sharing documents, media, and printers with each other, in a way that is both secure and straightforward. But Microsoft also has a deeper aim here: they're trying to finally kill off the decrepit NetBIOS technology that's at the heart of most Windows sharing problems. So let's have a look at HomeGroup and the technologies involved that make it work. And just to keep things interesting, we'll compare HomeGroup with what Mac OS X offers."