Mute this video , and watch again, then I realize how the Hollywood movies can be that successful with crapy content. 

Don’t even want embed it in my blog. 

p.s: It’s for high school students of US anyway, but it’s interesting to notice that people nowadays seems have got rid of the technophobia raised in 20th century, particularly of computer exceeding human brain which to be believed as the material foundation of perception and further generation of soul.