WiFi can be used in some hotels but not all.
It depends on how good their router is. If hey hav a goos router, then they will probably be able to see who used their wifi and what they used it for.
Are all wifi plans unlimited
All of the iPod Touches have wifi in them, so you can connect them to wifi.
Link-state routing algorithms, also known as shortest path first (SPF) algorithms.
No, not all Sony devices have WIFI. Only sony computers/laptops and psp use WIFI.
All Wii's have WiFi
nearly all heavenly bodies that can observed by the naked eye can be used for navigation.... assuming you can identify the body of course!
Yes, you can purchase a navigation system that is handheld. Garmin makes a great one, you can find all the information here: http://www.grainger.com/Grainger/GARMIN-GPS-Navigation-System-3MNR1
All you do is tell the people that you got the wifi from that you want to put lock on your wifi. They'll do it for you :)
Yes, all good Routers have WIFI
wifi re-hacker is a program made which supposedly gets/cracks passwords from all kinds of wifi - encrypted network. There used to be a free 'one month only period' when you could buy it free but now it costs.