If you “study journalism” as you said, you should look up “carbon paper”.
The history and applicability of “press freedom” laws cover “the lonely pamphleteer” and it has from the start.
We might be in a new age (since every generation has been), but the bar for whether something is “press” has always extended to handwritten little things. It’s whether it’s news made public, you shouldn’t get hung up on the media.