Mindlock by Dima Andes
Tell your spectator that it is possible to transfer minds without speaking them out. Therefore you would like to do a little experiment with him.
Its just an experiment so it doesnt work out always,but often.A quiet personal information is the display unlocking code of your smartphone. Give your smartphone to your spectator and ask him to unlock it. No matter how often he tries, he will not succeed. Ask your spectator to put the smartphone away for a moment, so both of his hands are free. Take your spectators hands and count from 1-9. This gives him the impulse to guess the correct combination. The spectator shall now intuitively name the 4 digit combination.
For the surprise of the audience, it is the right code. The spectator can type in the code immediatly and unlock the smartphone.
-no wireless or bloetooth
-you never touch the phone