You have your 802.11b card working on your Linux laptop. Great... now what?
Now we'll explore how you might use a Linux laptop with WiFi in your day-to-day job where you might find access points and also talk about security issues that you should consider while "mobile." We're sticking to purely "mobile" situations, because if you are using your wireless Linux laptop in your cube or at home, you really have just replaced the CAT5 with radio waves. I'm talking about using an IP address that you don't normally use, away from the relative safety of your wireless firewall/router, out there in that cold cruel public 802.11b world.
Lastly, I'd like to give you some idea of what to expect from society as you venture out into the WiFi world with Linux.