Modern flat Earth societies
Modern flat Earth beliefs are promoted by organisations and individuals which make claims that the Earth is flat while denying the Earth's sphericity, contrary to over two millennia of scientific consensus. Flat Earth groups date from the middle of the 20th century; some adherents are serious and some are not. Those who are serious are often motivated by religion or conspiracy theories. Through the use of social media, flat Earth theories have been increasingly espoused and promoted by individuals unaffiliated with larger groups. Many believers make use of social media to spread their views.