How was the way Protestantism spread similar to the way things spread through the internet today?

Another reason for the quick spread of Protestant ideas was rising literacy in an increasingly urban Europe. ... Zwingli began corresponding with Martin Luther, and soon chose to become a Protestant. Zwingli developed a church service for Zurich that consisted of scripture reading, followed by prayer, followed by a sermon.

Have a great Day :)

i think they would live in caves or natural tunnels