Take a look at this video showing an augmented reality tattoo, created by a Buenos Aires software maker, ThinkAnApp.
(Augmented reality tattoo video)
The system requires a specially-equipped camera, but you can see the possibilities.
I can't count this as any kind of prediction, but it does show how often it is possible to implement something in software, rather than hardware. In his 1968 award-winning novel Babel 17, Samuel R. Delany writes about decorative implants that could give you a small dragon toy tattoo that comes out of your shoulder.
"It's listed in your catalog as 5463," the Customs Officer declared. "I want it there." He clapped his left hand to his right shoulder.
The surgeon returned ... with a tray full of fragments. The only recognizable one was the front half of a miniature dragon with jeweled eyes, glittering sc ales, and opalescent wings: it was less than two inches long.
"When he's connected up to your nervous system, you'll be able to make him whistle, hiss, roar, flap his wings and spit sparks..."