On Tue, Oct 28, 2003 at 02:18:08PM +0000, David Cantrell wrote:
See also Openguides and its content, where you have no way of knowing whether it's cut n' pasted from $payware_restaurant_review_site or copied from a book.
Only slightly; it's easy to prove something like a review was copied - compare it against the original. Reviews have a high uniqueness level[0], and running a diff against a review and a possible copy will quickly expose if it's original or not. Postcodes, on the other hand, are a very short alphanumeric string for which provenance is almost(?) impossible to determine.
[0] I think the cryptographers call this "entropy".