do u know v answer?? On the gadget show- last week they were listing the top 5 best pranks. At number 1 was a trick where you use a smartphone camrra . And you say i will make a spider 3d because there was a pic of a spider. On the screen . ( he took a pic of his hand holdibg a fake spider) then when you pinched and zoomed 2 make it 3d he lifted the phone up and their was a fake spider on ur hand. Does any1 know the leight of hand 2 perforn this trick. Thanks so much