The amount of information, the amount of incoming that any administration has to deal with today and respond to much more rapidly than ever before, that makes it different.
Time travels at different speeds for different people. I can tell you who time strolls for, who it trots for, who it gallops for, and who it stops cold for.
For a writer you have to be interested in different cultures, different backgrounds. You are not there to write only about your village. You're there to show a bit of your village, but also to understand other villages.
That which arises dependent on something is not in the least that thing, neither is it different from it. Therefore, it is neither permanent or nothing.
When there is change, it must not alter the content of what propaganda is driving at, but in the end must always say the same thing. For instance, a slogan must be presented from different angles, but the end of all remarks must always and immutably be the slogan itself. Only in this way can the propaganda have a unified and complete effect.