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I really can’t see a way of implementing this without either invading peoples privacy, violating the 5th amendment, making it useless or a combination of those

• Jtsummers 8y ago
  I think it could be done without causing those problems. The device itself can store its usage time/location information. Retrieving the information can require a warrant (just like getting anything else off the device ought to). As a black box type device, in this case, the logs should be undeletable by the user. Perhaps a rolling log that wipes itself every week or month (minimal data impact, maximal utility to authorities in cases of accidents and such). By keeping it on the device the privacy concern is partly dealt with. The information is still collected, but no 3rd party has access to it until the user (voluntarily or by court order) provides access to it.