Twitter: the art of (non) conversation?

I read an interesting article about Twitter and some of its benefits in last weekend's Spectrum (Sydney Morning Herald). The article focussed on the creation of communities and the discussion on art forms Twitter engenders among theatre goers or musical comedy adepts. An increasing number of people tweet their friends during performances, to share with them their excitement or give them a review of the show they're seeing. And this is what production companies are increasingly taking into...