[thelist] log analysis

Herzog, Ari Ari_Herzog at Instron.com
Thu Jan 25 10:55:31 CST 2001


Prolly the same way that the same Nielsen folks keep statistics on
what percentage of American households view certain TV programs.
While they may have a box from Nielsen to record such, it can always be
skewed.



-----Original Message-----
From: Madhu Menon [mailto:madhum at trisoft.net]
Sent: Thursday, January 25, 2001 3:24 AM
To: Evolt (E-mail)
Subject: RE: [thelist] log analysis



> It would be safe to say that any modem user, from 100 baud to 56k baud,
> as well as some cable modem users, would have IPs that change.
> 
> That's why for logging programs, using session/client variables and/or
> cookies
> is more reliable for repeat visitor tracking.


Does anyone know how people like MediaMetrix and Nielsen Netratings keep a
supposedly accurate track of "unique visitors". 

AFAIK, there is no totally reliable way to do this. Session variables are
cookie-based, and people can delete cookies. So...

Anyone know ?

Madhu

<<<   *   >>>
Madhu Menon
Head - User Experience Group
Trisoft Systems Pvt. Ltd.  
Global Software Services

Work: http://www.trisoft.net
Personal: http://madman.weblogs.com 


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