Texting while driving

I'm sure the politicians mean well, but a ban on texting and cell phone use will have no effect on the majority of the people the law aims at.   They will continue to use their cell phones while driving.  It's been reported that business people even use computers while they drive.  They too will ignore the law.

The is only one way to stop the madness.  How hard can it be to develop a device that will block all cell phone/computer use while the vehicle is moving?  I don't think it will be...