"Happy slaves are the worst enemies of freedom." - Marie Von Ebner
"It was always the women, and above all the young ones, who were the most bigoted adherents of the Party, the swallowers of slogans, the amateur spies..." - Orwell
But it costs twice as much.
I thought it was a waste, until they mentioned that the technology could be used in cars. The driver sees a map, the passenger sees her Harry Potter movie.