Apple’s new iPhone 3G is rapidly becoming the Nintendo Wii of the smartphone world: a must-have-but-can’t-have-because-you-can’t-find-it technology product. And that has some conspiracy theorists wondering if Steve Jobs’ company is creating the shortage to keep demand as high as weekend temperatures in New York City. The summer heat was just one of the obstacles facing consumers who stood in long lines outside New York’s Soho Apple Store to lock in their iPhone purchase before stocks ran out.