Who was Louise-Sebastien Mercier?

Who was Louise-Sebastien Mercier? What was his opinion on the printing press?

Louise-Sebastien Mercier was a French novelist of 18th century. .
The following points state his opinion on the printing press
(i) He believed that the printing press was the most powerful engine of progress and public opinion.
(ii) Printing popularised the ideas of enlightened thinkers.
(iii) Print created a new culture of dialogue and debate.
(iv) Print criticised the morality of the royalty and raised questions about the existing social order.