The Natural Philosopher wrote:
I think this is rather cunning...actually.

http://news.bbc.co.uk/1/hi/business/5358436.stm


Well, it is and it isn't - we, and quite a few others, have been doing
online barcode generation for discount vouchers, gift vouchers etc. for
a good few years now. Several of the parcel service companies have also
been using it.

So the technology is not at all new, the only new thing is applying it
to Royal Mail post.


--
Grunff