A suggestion. If entertainers ban phones at events they should at least record the event themselves and publish the video for the participants or everyone. I noticed at the Mark Twain wards for David Letterman when my hero Bill fucking Murray came out a woman was literally watching him through her phone. And I was watching the whole thing on youtube at a much better angle and quality. Of course my video was probably…
I'm a little surprised that so few artists seem to obsessively record their every performance. Seems like it's just Phish and similar bands, and Pearl Jam. It's the kind of thing I would do, for posterity and for the sake of fans who are equally obsessive.
More info: http://phish.com/faq/#taping-guidelines