Warhol uses iPad
Sure, there are plenty of painting apps for iOS already, but Remote Palette has a neat twist—it connects an iPad and iPhone so the iPad can be used as a canvas, and the iPhone as the color palette.
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The video above will be pretty awkward for anyone who's not seen this video from 1982 of Andy Warhol eating a hamburger, but the digital agency Dare does successfully show how the iPad and iPhone (or iPod Touch) can sync up for some fun painting, for just $1. [iTunes]