verdict on Dataflex Privacy Screen Protector:
It's rubbish. It does nothing besides darkening the screen. Viewing angle really hasn't decreased much unless the person is on a whole different elevation. This not acceptable when it claims to be 4-way privacy.
The grainy effect on white background is too apparent even if the dots are smaller than the china sp.
In all, this privacy sp is nothing close to the standard of 3M and at best a waste of money.
Also, I am not impressed by p2o saleswoman considering that they assured me there is no rainbow effect. Should have trusted my gut feeling.
The man did a good job of applying though. As for the woman...