| I'm sorry, I'm not interested http://urbanrez.ca/write-essays-for-college-students/ write a thesis for me One explanation that they put forth, not mentioned in the summary, is that the phone calls made after 9pm are non-urgent, and may either be less attention-sucking, or more amenable to "hold on, traffic" pauses. One thing I did not see them consider was that the people who pay enough attention to price and time (and thus put off their cell phone calls till 9pm) might not be representative of drivers as a whole -- they might be safer drivers.
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