Kris: Years ago, the chemical industry claimed that technological progress cannot occur without pollution  Today, in the name of technological progress, the cellular phone industry manufactures and promotes a product that causes environmental pollution in the form of ringing phones and loud conversations in public places  Clearly, the cellular industry must be regulated, just as the chemical industry is now regulated  Terry: That' s absurd
Chemical pollution can cause physical harm, but the worst harm that cellular phones can cause is annoyance
questioning the reliability of the source of crucial information in Kris's argument