[Gllug] 1 pixel in size?

[matthew at thenut.demon.co.uk]

On 17 Aug, Gordon Joly wrote:
> The BBC report...
> 
>                   Web bugs are hidden graphics embedded in web pages
>                   primed to collect information about visitors to the site.
> 
>                   Often only a pixel in size,
>                   they can gather information
>                   such as the user's IP
>                   address or the type of
>                   browser used to retrieve the
>                   bug.
> 
> In other words, a 1 pixel gif, linked to some Javascript.

I suppose using the details the browser sends anyway by way of HTTP
headers is out of the question.

Matthew

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