Just upgraded to Mac OS X Snow Leopard and am a bit baffled: the icon on the top menu bar for airport wifi service now has an exclamation mark through it. What does that mean?...

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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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I travel to a lot of conferences and often find myself in hotel rooms that have Internet connectivity, but it's hardwired only. If I have a colleague or friend sharing my room, we end up having to pay for each computer that hooks up to the network, which stinks. Stay at a place for a week and it's an extra $70-$100 so we can both be plugged in. Surely there's a better solution?...

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