This could be a useful addition to media services having to blur faces in their video reports or documentaries. This cloud service automatically detects and blurs faces in videos. https://azure.microsoft.com/en-gb/blog/general-availability-azure-media-redactor/
Microsoft Stream now generally available to securely upload, share, manage and view videos within your organisation. Great intelligent features such as Speech-to-text transcribed audio, Face detection and Linked timecodes. https://blogs.office.com/2017/06/20/microsoft-stream-now-available-worldwide-new-intelligent-features-take-enterprise-video-to-new-heights/