It was long ago that the 21st century was called the computer age. That alias has long been replaced by the DIGITAL AGE. The age where natural human abilities are petite.
Here is another seductive thing you can get embedded in your body, and pretend that your fore fathers got this during evolution, a gift from nature for being cool.

By the way, this tattoo style display sits on your skin, and guess what, Its powering on your blood.

Exactly, it uses the glucose and oxygen from your blood to produce electricity. "Ah hey! wait a sec, MY oxygen? MY glucose?" Yes, your. But its pretty neat and won't faint you of weakness if you watched porn all the night on your arm. (You may faint due to OTHER activities that you may take care of though.)