If your hotel is an antiquated, out-of-service ocean liner that's crossed the Atlantic 1,001 times, it's nice to know that the place has steel walls as much as 3 inches thick. On the other hand, if you get there and want to fire up your Wi-Fi-equipped laptop to shop for Titanic memorabilia on eBay, those walls had better not get between you and the nearest access point. read more »