Steganography as a service.
http://www.righto.com/2014/02/ascii-bernanke-wikileaks-photographs.html
https://www.developer.com/java/ent/article.php/3530866/Steganography-101-using-Java.htm
https://github.com/harveyslash/Deep-Steganography
https://github.com/DominicBreuker/stego-toolkit
https://spring.io/guides/tutorials/react-and-spring-data-rest/
https://developer.okta.com/blog/2018/07/19/simple-crud-react-and-spring-boot
https://dzone.com/articles/spring-boot-restful-api-documentation-with-swagger
https://github.com/leangen/graphql-spqr-spring-boot-starter
https://dzone.com/articles/on-graphql-and-building-an-application-using-react