On Wed, 14 Oct 2009 17:17:25 +0200, scott wrote:

>> Interesting. So the film actually ends a different way depending on
>> which player you play it with?
>>
>> I bet that'll be popular...
> 
> LOL, I suspect they can do it slightly more subtly than that!  They only
> need to make some tiny changes to some of the pixels to be detectable. 
> In theory they could do what you suggest though, would be fun :-)

Probably a form of steganography, at a guess.

Jim

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