For some time now I've been a bit concerned about the potential for the Transport For London Oyster card to be used to track (or, as with any electronic device, falsify) people's whereabouts at certain times or locations.
It turns out that our equally-paranoid friends at www.spy.org.uk have done their own investigation of this, and there are some interesting ramifications (such as getting over-charged by the ticket barrier machine if you are fat and using a different paper ticket for a particular journey - I kid you not), but while the card only stores your last 10 journeys, there must be some massive multi-terrabyte hard disk array somewhere, storing a full record of usage of each and every Oyster card, and probably indexing them to relevant CCTV footage. For Londoners, at least, identity cards are here already. Click on the title of this post to go to Spy Blog and find out more.
Wednesday, September 08, 2004
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