The printing press! https://macleans.ca/facebook-instant-articles/boo-a-brief-history-of-technology-scares https://macleans.ca/facebook-instant-articles/boo-a-

The printing press! https://macleans.ca/facebook-instant-articles/boo-a-brief-history-of-technology-scares https://macleans.ca/facebook-instant-articles/boo-a-brief-hi... Btw I think social media is a very dangerous tool being abused and exploited by many.