This technique brings a whole new deceptive level to this classic mentalism effect. You grab a book and riffle through the pages, asking the spectator to stop wherever they want. Ask them to circle a small number of words inside the facedown book with a marker. Hand them the book to hold against their chest. They look at the most interesting word in the group of words they have circled and hold it in the front of their mind. Amazingly, you announce the word and ace it every time. You can use any book to perform this trick once you know the secret.
Have you ever wanted to convince someone it's possible to know what they're thinking from anywhere in the world? The spectator freely chooses any card from a deck. The magician calls someone called "The Wizard" on their cell phone. Without even being in the same room, The Wizard immediately knows...