With shadow puppets, the puppeteer stands behind a white cloth surface and rests the slightly see-through puppets against the cloth.

VOA: special.2009.09.23

"I act as a mentor to the kids and basically shadow them through the army application process, " he said.

BBC: The teens training for Army life

With thousands of "followers" caring enough to take time from their own day to shadow you through yours, is it any wonder that the followed are getting big heads as they "tweet" what they had for breakfast?

CNN: Commentary: Joe, Kanye, Serena -- aren't they special?

He was speaking distantly, Todd was, watching the man but talking through him, finding his shadow somewhere on the other side of the world.

NEWYORKER: Midnight in Dostoevsky