When done right, a science fiction or fantasy film will give audiences a prescient glimpse into our actual gadget future. Remember the heady pre-iPhone, pre-Pureness days of 2002 when you first saw Minority Report? Staring silently, mouth agape, jonesing for a chance to partake in a multi-touch, transparent display future using nothing but gestures? Well now that Iron Man 2 has been released, we've got another chance to look into the high-tech crystal ball, th
