How do you do that card trick...?

Question

You know that card trick where that person picks a card and somehow the magician knows which card he picked?

How do you do that?

What are some other common card tricks?

Answer 1

http://www.cardtricksite.com/

Answer 2

I can't tell you.Magician's secret,remember?Just kidding.They use special cards or use a key card.You put the chosen card on top of the key card,then cut the deck a few times.Then look at the cards.Whatever is to the left of the key card is the chosen one.