Anonymity of prepaid phone chip-cards

[baudmax23 at earthlink.net]

At 01:51 PM 3/26/2004, Thomas Shaddack <shaddack at ns.arachne.cz> wrote:

>Suggested countermeasure: When true anonymity is requested, use the card
>ONLY ONCE, then destroy it. Makes the calls rather expensive, but less
>risky. Make sure you can't be traced back by other means, ranging from
>surveillance cameras in the vicinity of the phone booths to the location
>data from cellphones (because, as it's well-known but often overlooked,
>the cellphone networks know the location of every active phone).

Better yet, take another 10 minutes, get change from a laundromat, and use 
coins!  Leather gloves, and avoid the cams (hats & sunglasses)!  Of course, 
I'm assumin' a fixed payphone, so the cell phone worries, not to worry...

-Max