The first in the series, the Stamp Act of 1765, required that materials which were printed and used in the colonies, like magazines and newspapers, be produced on stampedpaper and embossed with revenue stamp.
And it's those edges that seem fated to blur as the words of books go from being stamped permanently on sheets of paper to being rendered temporarily on flickering screens.
Scanning instead of typing might work since most space-food packages have bar codes, but some are stamped on shiny curved surfaces while others are printed on thin crinkled paper wrapped around freeze-dried items.