This was just in the news today:

"Looking at photos of women on Facebook is what distracted the driver of an empty fuel tanker when he crashed into two fire department trucks and three police cars on Interstate 8 killing a public safety officer in May..."

http://lasvegas.cbslocal.com/2013/11/03/on-facebook-looking-...

And imagine how many could have died if it was a fully loaded fuel tanker.