Answer:
I can travel from there to here by disappearing, and here to there by reappearing.
Thousands of these come together to make a digital image. What is it?
What has three ways out and just one way in?
I can be moved. I can be rolled. But nothing will I hold. I'm red and I'm blue, and I can be other colors too. Having no head, though similar in shape. I have no eyes - yet move all over the place.
When there is fire in me then I am still cold. When I own your true love’s face then you will not see me. To all things I give no more than I am given. In time I may have all things, and yet I can keep nothing.
I'm the source of all emotion but I'm caged in a white prison.