Ancient tweets were made in stone and clay

Ancient scholars in Egypt, Mesopotamia and China fretted over the potential of early writing -- cutting symbols into stone and clay -- to upend the culture. Some of the earliest known written documents expressed the anxiety of some in Pharaonic Egypt that the written word would impair memory and turn humans into ignorant fools.

When ancient scribes invented the world's first systems of writing by cutting symbols into stone and clay, they unleashed an anxiety the Facebook generation can relate to: worry about how the new technology might upend their culture

Read more: Sci-Tech Today