On Thu, 15 Oct 2009 09:15:57 +0100, Invisible wrote:

>>> 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.
> 
> Well, if they're hiding player ID information in the video, then that
> would, by definition, be "steganography". That's what steganography
> *is*, after all...
> 
> The question is which steganographic technique they'll use. ;-)

One that's difficult to guess, I'd guess. :-)

Jim

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