(keitai-l) Re: Privacy concerns contra usability?

From: punnamas vichitkulwongsa <punnamas_at_hotmail.com>
Date: 08/21/00
Message-ID: <F308b5YI9IJsaJbqJGN00005dad@hotmail.com>
Hello,

>of an already existing service. Almost all Telco's will keep VERY detailed
>logs on your movements (in Tokyo this would be down to a cell of about 20 
>by
>20 meters

Currently, network operators know which cell you are in. Cell size varies 
depending on the network technology (PHS has much smaller cell size, average 
50 meters radius, PDC and other cellular technologies usually have larger 
cell size), and the location of the cells (an indoor cell like Subway 
station can tell extremely accurate position info; out in the middle of 
nowhere, cell size could be up to 20-30 km wide).

Punnamas
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Received on Mon Aug 21 18:53:12 2000