How do I teach magicians that they know how to manipulate and use perception and expectations but Facebook knows how to do this as well but does it at a far larger scale and not for astonishment or entertainment?

By nielsk

I am a sysadmin with a background in Japanese Science and economics. Thus my topics are computers, Japan and economics. My favorite past times are pen&paper-role playing games and old video games.

With a couple of friends I also podcast about retro video games in German: Retrozirkel