The advent of the printing press brought about the Protestant Reformation, putting the bible into the hands of the common man, whereas prior to being able to read God’s word for themselves, the Church in Rome was the sole disseminator and arbiter of truth. The Catholic Church didn’t give up quietly, but reacted violently with the with the Inquisitions to quell unrest and uprising.
It remains to be seen what will be the result of the freedom and wealth of information brought about by the Internet. What hasn’t changed between 15th century Europe and today is human nature and the influence of Satan in the world. His methods change, but his motives never do; to kill, to steal, and to destroy (John 10:10)