They've done studies showing that listening to half the conversation is the key to why it's annoying http://latimesblogs.latimes.com/booster_shots/2010/05/cellp

They've done studies showing that listening to half the conversation is the key to why it's annoying http://latimesblogs.latimes.com/booster_shots/2010/05/cellphones-driving-annoying.html http://latimesblogs.latimes.com/booster_shots/2010/05/cellph...