From HP: The 4 pillars of mobile device etiquette---AMEN!

Annoying, isn’t it? The problem with modern technology is that it’s becoming increasingly disruptive to our regular lives. Public transport in many large cities is now divided into “cell phone” / “no cell phone” areas, and many companies have begun banning notebooks and PDAs in meetings. The problem is — how do we keep from crossing that fine line where the convenience of electronic communications becomes a barrier to our non-electronic interactions? While good manners are always somewhat subjective — and, like technology itself, ever evolving — here are a few basic rules you can follow.

via h30458.www3.hp.com