The Internet makes it possible for people like me to live the way I do now. Without it, I'd have to be in New York or some other city. I think the Internet is the greatest invention in history after antibiotics.
As to the effect of the wave on the air, we will suppose the water to be quite flat and the air motionless, a heavy undulation comes on the scene, it has to pass, so it pushes the air up with its face, letting it fall again as its back glides onwards.