New subject: HP Preservation Efforts

7 Nov 1998

...
 There was another encoding scheme for program
distribution on paper.  I
can't remember where it originated or when, late 80's seem about right...
But it looked like a (tv) screenshot of static on 8.5x11 or whatever and the
data density was pretty good..
Again, I'm not sure but I think 5-20k/pg. was advertised.  Another still
born of the info age.... 
Not still born at all - "2D barcodes" are coming into common use, and
can be found on many recent package tracking labels.

Tim.