Why were inventions of the renaissance revolutionary

The era is marked by profound technical advancements such as the printing press, linear perspective in drawing, patent law, double shell domes and bastion fortresses. The invention of the printing press is the technological achievement of the Renaissance period that dramatically changed the world.

Explanation:

The reason why this period is revolutionary is because people could get locally and international news right to them and it and had many effects such as : Effect: More universities, libraries, and other places of learning opened up to the masses. Cause: Books came from the east, back to western Europe through merchants and scholars. Effect: The printing press was developed because, for the first time in a long time, people could afford to buy books.

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is there a year set? the question is incomplete