Introduction to GraphQL

GraphQL has been deemed everything from the death knell of RESTful architectures to the query language of the future. Created by Facebook to power its data fetching and coming to Drupal 8 thanks to Sebastian Siemssen, GraphQL portends a dizzying shift in not only how client-side applications request and receive data but also how payloads are interpreted and formatted on the server side. What exactly is GraphQL, and what distinguishes it from the rest (no pun intended)? What are the weaknesses of REST that G