TechCrunch and other sites are talking about a Firefox extension that will let you eavesdrop on open WiFi connections and capture log-in information. The extension, called Firesheep, appears to be very simple, but powerful. "Anytime you’re using an open Wi-Fi connection, anyone can swiftly access some of your most private, personal information and correspondence (i.e. direct messages, Facebook mail/chat)— at the click of a button. And you will have no idea." You can also read more at ComputerWorld and SlashDot. The real issue is that there is now an easy tool to do this kind of snooping.