The mentalist sends an e-mail to the spectator with an capture of a note that he has on his mobile.
Once the spectator receives the e-mail, the mentalist asks him to think, for example, three words ...
The spectator names the three words thought and the mentalist asks him to open the mail to see the note he sent him.
In the note attached to the e-mail are written the three words that the viewer has just named.
But this effect goes much further with ... you can design the text of the predictions with total freedom.
Predicts: winning combinations of EuroMillions, Lottery, Songs ... The text is completely configurable so the only limit will be your imagination.