Microsoft Cognitive Services enables developers to augment the next generation of applications and enhance their ability to see, hear, speak, understand, and interpret needs using natural methods of communication. Think about the possibilities: being able to add vision and speech recognition, emotion and sentiment detection, language understanding, and search, to applications without having any data science expertise.
Content Moderator is part of Cognitive Services allowing businesses to use machine-assisted moderation of text and images, augmented with human review tools.
Read about it in the Azure blog.