more on what does this say re calea? AT&T's 1.9-Trillion-Call Database

[David Farber <dave () farber net>]

Begin forwarded message:

From: Gabe Goldberg <gabe () gabegold com>
Date: March 5, 2006 9:52:59 PM EST
To: dave () farber net
Subject: Re: [IP] AT&T's 1.9-Trillion-Call Database

The database may go back decades but it's hardly comprehensive going  
forward, lacking multiple other long-distance carriers, cellular  
(including anonymous prepaid) calling, VoIP calling, computer-to- 
computer connections like Google Talk, and cheap/anonymous calling  
cards. I use a Costco calling card that costs $0.029/minute and isn't  
the cheapest available. If I pay cash for it and don't recharge it,  
it's not directly linked to me. (Hm, well, unless they track it from  
my Costco membership number! But such cards are available for cash at  
non-membership stores.) If I don't ever use it from a phone linked to  
me, it remains anonymous.

All in all, calls are recorded in many disjoint databases. And people  
seeking to be anonymous, or simply using technology or services which  
by default anonymize, won't be tracked.

> He was alluding to databases maintained at an AT&T data center in
> Kansas, which now contain electronic records of 1.92 trillion  
> telephone
> calls, going back decades.
--

Gabriel Goldberg, Computers and Publishing, Inc.          (703) 204-0433
3401 Silver Maple Place, Falls Church, VA 22042        gabe () gabegold com
<http://www.cpcug.org/user/gabe>



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