You could make a quiz for articles using machine learning and allow commenters to optionally complete quiz questions before commenting to earn a flag that says

You could make a quiz for articles using machine learning and allow commenters to optionally complete quiz questions before commenting to earn a flag that says they've read the article. It's not easy, but nothing worth doing is. And on the plus side, the question-answer problem already has a lot of contributed work [1]. And if you have a meager SE salary's worth to contribute I'm game to have a go at it =) [1] https://aclweb.org/aclwiki/Question_Answering_(State_of_the_art) https://aclweb.org/aclwiki/Question_Answering_(State_of_the_...