Panasonic showed off a system that can pipe terrestrial digital broadcasts into trains, coupled with a wireless system to allow commuters to hear a broadcast's audio via headsets without disturbing other passengers (hey, some of us like to work, read -- or sleep -- on the train).

ENGADGET: Japan's NTV shows future of mobile TV

The proposals were never shown to the Poles, nor to us, and though they were announced in a German broadcast on Thursday night, Hitler did not wait to hear comments on them but ordered his troops to cross the Polish frontier the next morning.

BBC: Prime Minister Chamberlain declares war

The voice-activated videoconferencing cameras picked up users' images and broadcast them over the intranet, enabling all viewers to see and hear who was asking the question.

CNN: Coming to a local Government site near you: Live video

Three times a day they hear a siren, broadcast on local television, followed by advice on how to cope with a chemical attack.

ECONOMIST: Preparing for the worst

What some listeners may hear as incivility or rudeness may simply be the product of a broadcast journalist making a tenacious effort to steer an experienced politician toward providing responsive answers instead of reading from a scripted playbook of party messages.

NPR: Delicate Art of the Interview: Civility vs. Tenacity