What’s English Prime and Why Does it Matter?

No, E Prime doesn’t have anything to do with Transformers.

English Prime, or E Prime, is a constructed variant of standard English developed in the 60s in order to provide a form of English that reduced or eliminated any difficulty of the listener or reader to distinguish between fact and opinion and make the biases of the writer or speaker more evident.

Like most languages created for the purpose of promoting sweeping social and cultural good (cough, Esperanto, cough) it never really took off...