Many US states have laws banning the use of cellphones or texting while driving but police are generally lax about enforcing the law.
pew found one high school boy who said he thinks texting while driving is "fine," adding, "I wear sunglasses so the cops don't see [my eyes looking down]."
The problem with texting while driving is that we're not cognitively equipped to do both tasks at the same time.
Thirty states have banned texting while driving.