Listen, I'm not going to argue with a generation that poos themself over AVATAR'S special effects. It's like arguing with a blind person about the color of the room they're in. I know better, I have the eye for this stuff. It SCREAMS super-imposed screen images. The shadow of his left thumb is a result of the chroma-keyed screen, either blue or green, having a shadow of his thumb on it due to lighting. Because of this it creates a sort of "shadow" in the composite shot. It would be impossible in REALITY to create a shadow on a source of light -.-' elementary physics here
When he flicks it, the superimposed image does not sync with the chroma-keyed background and it's as though the screen images "detach" from the screen. There is NO glare on the screen, and the lighting is not simulated well at all.
AGAIN, there would be no screen flicker if this was real because the image would be progressive scan, take a video of your iPhone screen why doncha?
When he flicks it you see a glare travel up the lower part yet it doesn't effect the so-called screen?! FAKE! IT'S DEFINITIVE!
But just to go on, his hands stand out as they've been keyed in thus creating sharp lines when in REALITY they would be smooth and natural.
Look at this scene from Return of the Jedi and if you agree the man in front looks super-imposed onto the image of the Rancor then you will understand why the tablet video is a CLEAR fake!
http://starsmedia.ign.com/stars/ima...-the-rancor-keeper-20090707004811613_640w.jpg
Of course if you can't see the apparent eye-gouging outline around the man...there's no hope for you, get back to gawking at The Day the Earth Stood Still.