Imagine a device that's about the size of three credit cards and can let you and four of your friends (or multiple of your devices) connect to the Internet at decent 3G speeds, all while sitting in your briefcase / computer bag / coat pocket. The up-and-coming "mifi" (mobile wifi) devices are a fascinating hybrid gizmo that offers the smallest wifi base station you can imagine, tapping into either the Verizon or Sprint data networks....

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I'm in one of those most annoying hotels where they charge by the laptop, rather than by the room, and my buddy and I are aren't very happy paying $25/day for Internet! Isn't there some way we can use one of our Macs to share the connection?...

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This is so frustrating! I'm staying at a hotel where they only have wired Internet connectivity in my room and a tiny four foot Ethernet cable. Well, I don't want to work on their little desk with my back to the TV. So I always carry an Apple Airport Express, which is great except it can't connect either because it needs to "accept" the hotel's Internet pricing. So what can I do to get a...

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