Government black boxes will 'collect every email'

[Roland Perry]

In article <4918324B.30049.5042F28@davidh.spidacom.co.uk>, David Hansen 
<davidh@spidacom.co.uk> writes
>> >1) for the "subscriber details", victims would be notified after the
>> >event.
>>
>> Which has its own privacy implications, of course.
>
>It does if it is badly thought out, which is another reason for getting
>those with a clue to work it out.

Do you have any suggestions how a scheme could inform people that they 
have been on the fringe of an investigation, without prejudicing the 
privacy of those being investigated, while still giving the 
fringe-people a meaningful explanation of why they were involved?
-- 
Roland Perry