Although the new Plantronics ear bud I purchased works really well I've always thought of SYNC as a safety device and necessary for pit crew communication. 
Today the NTSB announced they support a ban on cell phone usage while driving. "It would apply to hands-free as well as hand-held devices, but devices installed in the vehicle by the manufacturer would be allowed, the NTSB said."
http://www.cnn.com/2011/12/13/us/ntsb-cell-phone-ban/index.html?hpt=hp_t1
Today the NTSB announced they support a ban on cell phone usage while driving. "It would apply to hands-free as well as hand-held devices, but devices installed in the vehicle by the manufacturer would be allowed, the NTSB said."
http://www.cnn.com/2011/12/13/us/ntsb-cell-phone-ban/index.html?hpt=hp_t1