Magic Tricks

I was unaware of this effect until I saw David review it on Magic Orthodoxy . . . so I bought it. Such a Sum is easy, clever, and will fool people--and entertain them! It uses a spectator's cell phone (which you never touch) to predict a number generated by the spectator on his or her own phone. The pdf file you get as a download is clear and easy to understand--you'll be performing this in minutes. And did I mention you also can do this over the phone? Buy Such a Sum; you will use it!