Our inability to walk a block or two without flipping open the cellphone is creating an aural fabric of humanity that's fascinating to hear. Sound artists have worked with single phrases or sentences - Jenny Holzer - and even words manipulated as raw material (musique concrète). Tweets are a mass contribution to the artform.
But there's something even more economical and powerful about the unguarded (and often shouted) cellphone conversation - something that wants to be preserved and explored. Maybe Bruce Nauman (did you hear Days and Giorni at the Philadelphia Museum of Art?) needs to come to Center City to gather fresh inspiration.
Here are some examples. I'll keep adding more as I hear them. So far:
"...and it comes with a free massage for each of us the morning of the wedding."