In the old days (WEP era), there was a coffee shop in [mumble] where a bunch of execs from several competing companies would hang out. Everyone would be carefu

In the old days (WEP era), there was a coffee shop in [mumble] where a bunch of execs from several competing companies would hang out. Everyone would be careful to protect their screens from snooping, but a lot of folks would connect to POP mail servers without concern. Wireshark was hard to run on anything but Linux in those days, and WiFi on Linux could be hard to get stable except on certain hardware, but it could be done. Today, I don't imagine Wireshark would show you much of interest on a WPA2 WiFi network.