Information Radiators: Is low tech really better?

We currenty use a wall, covered with brown envelopes, for story and task tracking. It has its advantages but prople, particularly people not based in this office, often ask for something else.  Chris Sims at InfoQ has a useful summary of the pros and cons of high-tech and low-tech “information radiators”

InfoQ: Information Radiators: Is low tech really better?.