Apple today added two new 30-second video advertisements, "Sound Verse" and "Light Verse," to its YouTube channel. The pair are part of Apple's new ad campaign that focuses on how people are using the iPad for music, mountaineering and more. The uploaded clips, which have been airing on television for several days, are shortened versions of the original 90-second "Your Verse" ad that debuted during the NFL playoffs earlier this month. As their names imply, almost every scene in the "Light Verse" ad includes sunlight or the use of light in the scenes, while the "Sound Verse" clip features the power of sound. Apple also launched a c