The "kiddies" usually find out on their own. It's the older generations that just recently learned about those awesome new technologies, but have a hard time learning new tricks. I know i do.
Many Linux distros come with networking tools that you can use to sniff access points, browse network shares, etc. You can either use a live distro that is designed for such a purpose (BackTrack) or install a popular distro like Ubuntu and get the networking tools from the software manager or from websites.