A few new insider details on the development of the original iPhone have come to light thanks to Apple senior software engineer Greg Christie, who gave an interview with The Wall Street Journal with permission from Apple, ahead of a new patent infringement trial against Samsung that is set to begin tomorrow. According to Christie, who joined the secret "purple" iPhone project after an invitation from Scott Forstall, his team was responsible for many key iPhone elements, such as sliding to unlock, placing calls from the address book, and more. He and his team spent countless hours perfecting details like the speed of scrolling, and the feel of bouncing back at the end of a list.He said his team "banged their head against