Apple has debuted a new TV ad alongside Marvel's Agents of SHIELD tonight on ABC called "Gigantic". The ad, which was first spotted by 9to5Mac, showcases iPhone 5s owners using the device to enhance their lives in multiple ways. With "Gigantic" by the Pixies [iTunes] playing in the background, the app has users using the iPhone 5s to check their health, check for directions, create short monster movies, record videos, create art installations and more, including the Pixies preparing to play their song. The ad ends with the tagline "You're more powerful than you think". Apple has not aired an iPhone 5s ad since the seasonal holiday ad "Mis
