Talk about some scary stuff! Evidently you don't need a genius IQ and a ton of expensive hardware to be a cyber security threat anymore. That means all of us need to be on our guard. Unsecured wi-fi networks - like in coffee shops - are pretty scary places. Your personal information is evidently not safe there in the least.
A recent New York Times story, "New Hacking Tools Pose Bigger threats to Wi-Fi Users" (Kate Murphy, Feb 16, 2011) provides some startling info.
"You may think the only people capable of snooping on your Internet activity are government intelligence agents or possibly a talented teenage hacker holed up in his parents’ basement. But some simple software lets just about anyone sitting next to you at your local coffee shop watch you browse the Web and even assume your identity online."