It may not be illegal to tuck your kids into bed via iChat while taking advantage of United's in-flight WiFi, but that didn't stop a flight attendant from ending John Battelle's (admittedly precious) use of the service during a flight two days ago. It seems that the airline has a policy that prohibits "two-way devices" from communicating with the ground -- you know, in case some terrorists board the plane and try some shenanigans. Apparently a laptop with WiFi isn't considered a "two-way device," until you throw videoconferencing apps like Skype into the mix. Somehow, it seems, the company missed Apple iChat when blocking ports, thus enabling th
