In correlation, the University of Utah presented an in-depth study stating drivers using cell phones are equal to intoxicated drivers:

We found that people are as impaired when they drive and talk on a cell phone as they are when they drive intoxicated at the legal blood-alcohol limit (0.008% in the study).

How many of your friends have a land line still? Have they ever told you they are thinking of switching to a cell phone or a service like Vonage? According to the new Harris Interactive survey, the use of cell phones is still going up while the use of landlines is going down.