What has really changed ...

[Ian G Batten]

You write:
> data the value of whose contents is by definition unknowable?  Users who
> leave files on their PC called "where I hid the gold bars.pgp" are just as
> likely to be exercising their sense of humour as hiding the map, and
> perhaps more so.

Turing bought a number of bars of silver, which he hid and recorded the
information in a code of his own devising.  When, some years, he came to
dig them up, he couldn't find them.  I don't have my copy of Hodges'
biography to hand, but my memory is that he couldn't decrypt properly.

ian