David B Funk wrote:
> On Wed, 27 Jul 2005, Chris Santerre wrote:
>
>>> From: [EMAIL PROTECTED]
>>>
>>> Chris Santerre wrote:
>>>> If they want ad tracking they can simply use gifs.
>>>
>>> ? Clarify please.
>>>
>>> I need ad tracking... I've been keeping a database of URLs
>>> and passing IDs to the redirection page, so it won't redirect
>>> to unauthorized URLs. But I don't understand your "use gifs"
>>> method?
>>
>> Just do a google for 'gif tracking' or 'invisible gifs' or whatever.
>
> Another name is 'web bugs', look for a SA ruleset that targets
> those things. ;)
> Of course they can be defeated by people who are smart enough to
> disable automagic loading of remote images in their e-mail client.
I'm not being clear. I understand HTTP redirection. I understand
single-pixel-transparent-gif-images-with-URLs-containing-trackable-information
AKA web bugs AKA web beacons etc.
I don't understand how the latter can be used in place of the former for ad
tracking, though.
--
Matthew.van.Eerde (at) hbinc.com 805.964.4554 x902
Hispanic Business Inc./HireDiversity.com Software Engineer
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