Re:I'd like to region-code my personal data (Score 1)

That idea has been proposed in research literature, dubbed Privacy Rights Management (PRM):

Korba, Larry and Kenny, Steve (2002): Towards Meeting the Privacy Challenge: Adapting DRM. NRC paper number NRC 44956, November 2002, http://iit-iti.nrc-cnrc.gc.ca/iit-publications-iti /docs/NRC-44956.pdf

I have an interest in this and am looking at alternative approaches:

http://goanna.cs.rmit.edu.au/~crpearce/research/pu blications/ifip-sec2005.pdf

PS: Long time reader, but first post (loooong overdue!)