Note: You can click on any of these screenshots to view larger versions that are easier to read. The packets appeared on screen in real time as they were captured-much more quickly than I could read them-so I stopped capturing after a few minutes to analyze what I had vacuumed up. I opened my laptop at the coffee shop and began capturing Wi-Fi signals, technically called 802.11 packets, with the help of a free trial of a wireless network analyzer.
