In the old days, scribbling and notes were painted on stones or walls, or (for a more permanent
version) were chiselled into stone, clay or wood tablets. These methods did not work too well
however because as you can imagine it was pretty hard to send a message like this across long
distances and the paints had a tendency to wash off in the rain, making their writing spots quite
limited.
Over time we discovered paper and ink, before that many messages were written on:
These were expensive however and so when paper was made from wood-pulp it was a revolutionary
invention.