Patrons entering a Hong Kong movie theater not long ago were asked to leave their cellphones on as they entered the show. As they settled into their seats, rather than the usual array of previews and ads, the video playing on the screen showed a person driving a car on a two-lane road. The scenes showed the road from the driver's vantage point, putting the movie-goers in the driver's seat. Suddenly, mobile phones around the theater began to buzz.
Click here to see what happened next.
