The magician takes the ordinary something and makes it do something extraordinary. Now you’re looking for the secret… but you won’t find it, because of course you’re not really looking. You don’t really want to know. You want to be fooled”. These lines from the cult film “Prestige” are about a magic trick. Modern frontend developers have to be a little bit of magicians too – show something that people want to see while doing real work behind the scene. Developers these days have to manage user’s perception and influence user’s expectations.