@Doctor Who: People like me looking over your shoulder.
I don't do it deliberately, but by the time I realise what I'm doing I'm often too interested to stop... ![]()
(I've seen some really interesting confidential stuff on people laptops on trains before, confidential court records and the like. They really ought to take better precautions - those screen covers you can get that reduce viewing angle can help but not working on confidential documents in public places is a far more robust solution!
)